Indigo
Indigo (#280D9A) is an intense dark color with a luminosity of 3%. It has a chroma value of 55.3 (out of 100). The closest web-safe color is #330099. The closest Pantone color is #44377D, known as deep-blue (19-3847). The closest NCS color is #222E7C, with the code NCS S 4055-R70B. The grayscale version of this color is #252525. The contrast ratio with white is 13.0, and with black is 1.6. This meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.
Lightness
Show relative
#FFFFFF
#D8D0FB
#B1A1F7
#8B72F3
#6443EF
#3D14EB
#3110BC
#250C8D
#18085E
#0C042F
#000000
Saturation
#1200BD
#1700B6
#1B00AF
#1F00A8
#2406A1
#280D9A
#2C1493
#311B8C
#352285
#39297E
#3E3077
Shade
#2D139A
#2C129A
#2B119A
#2A109A
#290E9A
#280D9A
#260D90
#240D86
#220D7C
#200D72
#1E0D68
Hue
#9A0D0D
#9A250D
#9A3C0D
#9A530D
#9A6B0D
#9A830D
#9A9A0D
#829A0D
#6B9A0D
#549A0D
#3C9A0D
#259A0D
#0D9A0D
#0D9A25
#0D9A3C
#0D9A54
#0D9A6B
#0D9A83
#0D9A9A
#0D829A
#0D6B9A
#0D539A
#0D3C9A
#0D259A
#0D0D9A
#240D9A
#3C0D9A
#530D9A
#6B0D9A
#820D9A
#9A0D9A
#9A0D82
#9A0D6B
#9A0D54
#9A0D3C
#9A0D25
Grayscale
#252525
Complimentary
#D7F265
WCAG contrast conformance
#280D9A meets the WCAG standard (4.5:1) for regular text (14pt) on a white background.
On a white background
Indigo
On a black background
Indigo
Indigo (#280D9A) meets the WCAG standard (4.5:1) for regular text (14pt) on a darkkhaki (#B4BC5E) background.
Indigo
Composition
The colors that composes #280D9A
RGB
40
13
154
RYB
40
13
154
CMYK
74
92
0
40
CMY
84
95
40
Conversion
CSS values of #280D9A and various standards
CSS values
HEX
#280D9A
RGB
rgb(40, 13, 154)
HSL
hsl(251, 84%, 33%)
HWB
hwb(251, 5%, 40%)
Various standards
Ansi16
rgb(0, 0, 128)
Ansi256
rgb(51, 0, 153)
HCG
rgb(40, 13, 154)
Apple
rgb(40, 13, 154)
Closest Pantone color
deep-blue (19-3847)
#44377D
Closest NCS color
NCS S 4055-R70B
#222E7C
Color harmonies
The basic color chords based on the color wheel
Split complementary
#389A0D
#280D9A
#9A6E0D
Triadic
#280D9A
#9A280D
#0D9A28
Tetradic
#280D9A
#9A0D38
#7F9A0D
#0D9A6F
Analogous
#0D389A
#280D9A
#6E0D9A
Color blindness
Below is a simulation map of how people with vision deciciency perceive your color
Achromatopsia
#1D1D1D
Deuteranopia
#161699
Protanopia
#12129A
Tritanopia
#161F1F