Colour

#21082C

#21082C
Violet
Dark
Nearest: Black

#21082C is a violet with RGB values 33, 8, 44 and HSL 282°, 69%, 10%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#21082C#21082C

HEX#21082C

RGBrgb(33, 8, 44)

RGB (0–1)0.1294, 0.0314, 0.1725

RGB percentages12.9%, 3.1%, 17.3%

HSLhsl(281.7, 69.2%, 10.2%)

HSV / HSBhsv(281.7, 81.8%, 17.3%)

CMYK25%, 81.8%, 0%, 82.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,164,780

CSS custom property--colour: #21082C;

Brightness & contrast

Relative luminance0.00679WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.49:1

Contrast with white18.49:1WCAG normal text: AAA

Contrast with black1.14:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#DEF7D3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00122Dno red cones; affects about 1% of men; ΔE 16.1 from the original

Deuteranopia#06142Bno green cones; the most common form, about 1% of men; ΔE 16.6 from the original

Tritanopia#200F18no blue cones; rare, and affects men and women equally; ΔE 18.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.49:1WCAG large text: AAA

Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 27.8 Midnight blue · ΔE 34.8 Dark slateblue · ΔE 34.8 Dark slate grey · ΔE 43 Rebecca purple · ΔE 45.5 Dim grey · ΔE 46.9

Nearest named CSS colourBlack (#000000)ΔE 27.81, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#132C08

Analogous#0F082C, #2C0825

Triadic#2C2108, #082C21

Split complementary#252C08, #082C0F

Tetradic#2C0F08, #132C08, #08252C

Tints, shades & saturation

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

Lighter +40%#A228D8

Lighter +30%#8220AD

Lighter +20%#621882

Lighter +10%#411057

Darker −10%#010001

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#240233

Less saturated −25%#1E0E26

Channel breakdown

R33

B44

Red33 (12.9%)

Green8 (3.1%)

Blue44 (17.3%)

Hue281.67°

Saturation (HSL)69.23%

Lightness10.2%

Dominant channelBlue

Hex per channelR 21 · G 08 · B 2C

Keep nerding

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#21082C

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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