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Recognised as Colour

#870E2D

  • #870E2D
  • Red
  • Dark
  • Nearest: Brown

#870E2D is a red with RGB values 135, 14, 45 and HSL 345°, 81%, 29%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#870E2D#870E2D
HEX#870E2D
RGBrgb(135, 14, 45)
RGB (0–1)0.5294, 0.0549, 0.1765
RGB percentages52.9%, 5.5%, 17.6%
HSLhsl(344.6, 81.2%, 29.2%)
HSV / HSBhsv(344.6, 89.6%, 52.9%)
CMYK0%, 89.6%, 66.7%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,850,989
CSS custom property--colour: #870E2D;

Brightness & contrast

Relative luminance0.05654WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.86:1
Contrast with white9.86:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#78F1D2

Colour vision & accessibility

Protanopia#35342Dno red cones; affects about 1% of men; ΔE 51.8 from the original
Deuteranopia#534C2Ano green cones; the most common form, about 1% of men; ΔE 51.9 from the original
Tritanopia#95001Dno blue cones; rare, and affects men and women equally; ΔE 14.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.86:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 16.89, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0E8768
Analogous#870E6A, #872C0E
Triadic#2D870E, #0E2D87
Split complementary#0E872C, #0E6A87
Tetradic#6A870E, #0E8768, #2B0E87

Tints, shades & saturation

Lighter +40%#F07191
Lighter +30%#EB436E
Lighter +20%#E3184C
Lighter +10%#B5133C
Darker −10%#59091E
Darker −20%#2B040E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#950026
Less saturated −25%#742136

Channel breakdown

R135
G14
B45
Red135 (52.9%)
Green14 (5.5%)
Blue45 (17.6%)
Hue344.63°
Saturation (HSL)81.21%
Lightness29.22%
Dominant channelRed
Hex per channelR 87 · G 0E · B 2D

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Every value on this page was computed from “870e2d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.