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Recognised as Colour

#281E1C

  • #281E1C
  • Red
  • Dark
  • Nearest: Black

#281E1C is a red with RGB values 40, 30, 28 and HSL 10°, 18%, 13%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#281E1C#281E1C
HEX#281E1C
RGBrgb(40, 30, 28)
RGB (0–1)0.1569, 0.1176, 0.1098
RGB percentages15.7%, 11.8%, 11%
HSLhsl(10, 17.6%, 13.3%)
HSV / HSBhsv(10, 30%, 15.7%)
CMYK0%, 25%, 30%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,629,148
CSS custom property--colour: #281E1C;

Brightness & contrast

Relative luminance0.01464WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.25:1
Contrast with white16.25:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#D7E1E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#201F1Cno red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#22211Cno green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#2A1D1Dno blue cones; rare, and affects men and women equally; ΔE 2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.25:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Black · ΔE 13.5Dark slate grey · ΔE 25.8Dim grey · ΔE 32.5Gray · ΔE 41.6Slate grey · ΔE 43.3Light slate grey · ΔE 46.3
Nearest named CSS colourBlack (#000000)ΔE 13.54, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1C2628
Analogous#281C20, #28241C
Triadic#1C281E, #1E1C28
Split complementary#1C2824, #1C2028
Tetradic#20281C, #1C2628, #241C28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9D7A73
Lighter +30%#82625B
Lighter +20%#644B46
Lighter +10%#463531
Darker −10%#0A0807
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#311814
Less saturated −25%#222222

Channel breakdown

R40
G30
B28
Red40 (15.7%)
Green30 (11.8%)
Blue28 (11%)
Hue10°
Saturation (HSL)17.65%
Lightness13.33%
Dominant channelRed
Hex per channelR 28 · G 1E · B 1C

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Every value on this page was computed from “281e1c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.