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Recognised as Colour

#08031B

  • #08031B
  • Blue
  • Dark
  • Nearest: Black

#08031B is a blue with RGB values 8, 3, 27 and HSL 252°, 80%, 6%. It is a dark colour, so white text on it reaches 20.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#08031B#08031B
HEX#08031B
RGBrgb(8, 3, 27)
RGB (0–1)0.0314, 0.0118, 0.1059
RGB percentages3.1%, 1.2%, 10.6%
HSLhsl(252.5, 80%, 5.9%)
HSV / HSBhsv(252.5, 88.9%, 10.6%)
CMYK70.4%, 88.9%, 0%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer525,083
CSS custom property--colour: #08031B;

Brightness & contrast

Relative luminance0.00196WCAG 2.x, 0 is black and 1 is white
Perceived brightness10.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.21:1
Contrast with white20.21:1WCAG normal text: AAA
Contrast with black1.04:1WCAG normal text: Fail
Greyscale equivalent#060606
Inverted#F7FCE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00071Cno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#00061Ano green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#03070Dno blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.21:1WCAG large text: AAA
Contrast with black, large text1.04:1WCAG large text: Fail

Named colours

Black · ΔE 13.5Dark slate grey · ΔE 35.3Dim grey · ΔE 44.7Dark slateblue · ΔE 46.4Midnight blue · ΔE 47.7Slate grey · ΔE 51.7
Nearest named CSS colourBlack (#000000)ΔE 13.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#161B03
Analogous#030A1B, #14031B
Triadic#1B0803, #031B08
Split complementary#1B1403, #0A1B03
Tetradic#1B030A, #161B03, #031B14

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E17D3
Lighter +30%#3112A5
Lighter +20%#230D77
Lighter +10%#160849
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#06001E
Less saturated −25%#0A0717

Channel breakdown

R8
G3
B27
Red8 (3.1%)
Green3 (1.2%)
Blue27 (10.6%)
Hue252.5°
Saturation (HSL)80%
Lightness5.88%
Dominant channelBlue
Hex per channelR 08 · G 03 · B 1B

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Every value on this page was computed from “08031b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.