Colour

#12031B

#12031B
Violet
Dark
Nearest: Black

#12031B is a violet with RGB values 18, 3, 27 and HSL 278°, 80%, 6%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#12031B#12031B

HEX#12031B

RGBrgb(18, 3, 27)

RGB (0–1)0.0706, 0.0118, 0.1059

RGB percentages7.1%, 1.2%, 10.6%

HSLhsl(277.5, 80%, 5.9%)

HSV / HSBhsv(277.5, 88.9%, 10.6%)

CMYK33.3%, 88.9%, 0%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,180,443

CSS custom property--colour: #12031B;

Brightness & contrast

Relative luminance0.00273WCAG 2.x, 0 is black and 1 is white

Perceived brightness13.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.91:1

Contrast with white19.91:1WCAG normal text: AAA

Contrast with black1.05:1WCAG normal text: Fail

Greyscale equivalent#080808

Inverted#EDFCE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00081Cno red cones; affects about 1% of men; ΔE 7 from the original

Deuteranopia#02091Ano green cones; the most common form, about 1% of men; ΔE 7.4 from the original

Tritanopia#11070Dno blue cones; rare, and affects men and women equally; ΔE 10.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.91:1WCAG large text: AAA

Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 14.4 Dark slate grey · ΔE 36.2 Dim grey · ΔE 44.3 Dark slateblue · ΔE 45.4 Midnight blue · ΔE 46.8 Slate grey · ΔE 51.6

Nearest named CSS colourBlack (#000000)ΔE 14.39, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0C1B03

Analogous#06031B, #1B0318

Triadic#1B1203, #031B12

Split complementary#181B03, #031B06

Tetradic#1B0603, #0C1B03, #03181B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#8C17D3

Lighter +30%#6E12A5

Lighter +20%#4F0D77

Lighter +10%#310849

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#13001E

Less saturated −25%#110717

Channel breakdown

R18

B27

Red18 (7.1%)

Green3 (1.2%)

Blue27 (10.6%)

Hue277.5°

Saturation (HSL)80%

Lightness5.88%

Dominant channelBlue

Hex per channelR 12 · G 03 · B 1B

Keep nerding

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#12031B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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