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Colour

#28201E

  • #28201E
  • Red
  • Dark
  • Nearest: Black

#28201E is a red with RGB values 40, 32, 30 and HSL 12°, 14%, 14%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#28201E#28201E
HEX#28201E
RGBrgb(40, 32, 30)
RGB (0–1)0.1569, 0.1255, 0.1176
RGB percentages15.7%, 12.5%, 11.8%
HSLhsl(12, 14.3%, 13.7%)
HSV / HSBhsv(12, 25%, 15.7%)
CMYK0%, 20%, 25%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,629,662
CSS custom property--colour: #28201E;

Brightness & contrast

Relative luminance0.01578WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.96:1
Contrast with white15.96:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#D7DFE1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#22211Eno red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#24221Eno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#2A1F1Fno 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 text15.96:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 13.8Dark slate grey · ΔE 24.5Dim grey · ΔE 31.6Gray · ΔE 40.7Slate grey · ΔE 42.3Light slate grey · ΔE 45.4
Nearest named CSS colourBlack (#000000)ΔE 13.82, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E2628
Analogous#281E21, #28251E
Triadic#1E2820, #201E28
Split complementary#1E2825, #1E2128
Tetradic#21281E, #1E2628, #251E28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9A7F78
Lighter +30%#7F6660
Lighter +20%#624F4A
Lighter +10%#453734
Darker −10%#0B0908
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#311B15
Less saturated −25%#232323

Channel breakdown

R40
G32
B30
Red40 (15.7%)
Green32 (12.5%)
Blue30 (11.8%)
Hue12°
Saturation (HSL)14.29%
Lightness13.73%
Dominant channelRed
Hex per channelR 28 · G 20 · B 1E

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Every value on this page was computed from “28201e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.