Firebrick

Firebrick (#B21A1F) is an intense dark color with a luminosity of 10%. It has a chroma value of 59.6 (out of 100). The closest web-safe color is #993333. The closest Pantone color is #B4262A, known as aura-orange (18-1551). The closest NCS color is #BD1921, with the code NCS S 1580-Y90R. The grayscale version of this color is #484848. The contrast ratio with white is 6.9, and with black is 3.1. This meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.

Lightness

Show relative


#FFFFFF

#F8D3D4

#F2A6A8

#EB7A7D

#E54D52

#DF2127

#B21A1F

#861317

#590D0F

#2D0608

#000000

Saturation


#D80000

#D00003

#C9030A

#C10B11

#BA1218

#B21A1F

#AA2226

#A3292D

#9B3134

#94383B

#8C4042

Shade


#B2272C

#B22429

#B22227

#B21F24

#B21D22

#B21A1F

#AA1A1F

#A31A1E

#9B1A1E

#931A1E

#8C1A1E

Hue


#B21A1A

#B2331A

#B24D1A

#B2661A

#B27F1A

#B2991A

#B2B21A

#99B21A

#7FB21A

#66B21A

#4DB21A

#33B21A

#1AB21A

#1AB233

#1AB24D

#1AB266

#1AB27F

#1AB299

#1AB2B2

#1A99B2

#1A7FB2

#1A66B2

#1A4DB2

#1A33B2

#1A1AB2

#331AB2

#4D1AB2

#661AB2

#7F1AB2

#991AB2

#B21AB2

#B21A99

#B21A7F

#B21A66

#B21A4D

#B21A33

Grayscale


#484848

Complimentary


#4DE5E0

WCAG contrast conformance

#B21A1F meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.

On a white background

6.9

Firebrick

On a black background

3.1

Firebrick

1.6

Firebrick (#B21A1F) does not meet the WCAG standard for either regular or large text on a steelblue (#347EB6) background.


Firebrick

Composition

The colors that composes #B21A1F

RGB


178

26

31

RYB


178

26

31

CMYK


0

85

83

30

CMY


30

90

88

Conversion

CSS values of #B21A1F and various standards

CSS values


HEX

#B21A1F


RGB

rgb(178, 26, 31)


HSL

hsl(358, 75%, 40%)


HWB

hwb(358, 10%, 30%)

Various standards


Ansi16

rgb(128, 0, 0)


Ansi256

rgb(153, 51, 51)


HCG

rgb(178, 26, 31)


Apple

rgb(178, 26, 31)

Closest Pantone color

aura-orange (18-1551)


#B4262A

Closest NCS color

NCS S 1580-Y90R


#BD1921

Color harmonies

The basic color chords based on the color wheel

Split complementary


#1A6BB2

#B21A1F

#1AB261

Triadic


#B21A1F

#1FB21A

#1A1FB2

Tetradic


#B21A1F

#6BB21A

#1AB2AD

#611AB2

Analogous


#B21A6B

#B21A1F

#B2611A

Color blindness

Below is a simulation map of how people with vision deciciency perceive your color

Achromatopsia


#3B3B3B

Deuteranopia


#4C4C1B

Protanopia


#34341E

Tritanopia


#B11B1B