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Recognised as Colour

#13031B

  • #13031B
  • Violet
  • Dark
  • Nearest: Black

#13031B is a violet with RGB values 19, 3, 27 and HSL 280°, 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

#13031B#13031B
HEX#13031B
RGBrgb(19, 3, 27)
RGB (0–1)0.0745, 0.0118, 0.1059
RGB percentages7.5%, 1.2%, 10.6%
HSLhsl(280, 80%, 5.9%)
HSV / HSBhsv(280, 88.9%, 10.6%)
CMYK29.6%, 88.9%, 0%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,245,979
CSS custom property--colour: #13031B;

Brightness & contrast

Relative luminance0.00283WCAG 2.x, 0 is black and 1 is white
Perceived brightness14 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.88:1
Contrast with white19.88:1WCAG normal text: AAA
Contrast with black1.06:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#ECFCE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00081Cno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#020A1Ano green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#12060Dno blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.88:1WCAG large text: AAA
Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Black · ΔE 14.6Dark slate grey · ΔE 36.3Dim grey · ΔE 44.2Dark slateblue · ΔE 45.3Midnight blue · ΔE 46.7Slate grey · ΔE 51.6
Nearest named CSS colourBlack (#000000)ΔE 14.55, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0B1B03
Analogous#07031B, #1B0317
Triadic#1B1303, #031B13
Split complementary#171B03, #031B07
Tetradic#1B0703, #0B1B03, #03171B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9417D3
Lighter +30%#7412A5
Lighter +20%#540D77
Lighter +10%#330849
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#14001E
Less saturated −25%#120717

Channel breakdown

R19
G3
B27
Red19 (7.5%)
Green3 (1.2%)
Blue27 (10.6%)
Hue280°
Saturation (HSL)80%
Lightness5.88%
Dominant channelBlue
Hex per channelR 13 · G 03 · B 1B

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Every value on this page was computed from “13031b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.