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Recognised as Colour

#8B2222

  • #8B2222
  • Red
  • Dark
  • Nearest: Brown

#8B2222 is a red with RGB values 139, 34, 34 and HSL 0°, 61%, 34%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8B2222#8B2222
HEX#8B2222
RGBrgb(139, 34, 34)
RGB (0–1)0.5451, 0.1333, 0.1333
RGB percentages54.5%, 13.3%, 13.3%
HSLhsl(0, 60.7%, 33.9%)
HSV / HSBhsv(0, 75.5%, 54.5%)
CMYK0%, 75.5%, 75.5%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,118,242
CSS custom property--colour: #8B2222;

Brightness & contrast

Relative luminance0.06749WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.94:1
Contrast with white8.94:1WCAG normal text: AAA
Contrast with black2.35:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#74DDDD

Colour vision & accessibility

Protanopia#413B21no red cones; affects about 1% of men; ΔE 47.1 from the original
Deuteranopia#5B521Eno green cones; the most common form, about 1% of men; ΔE 47.6 from the original
Tritanopia#990023no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.94:1WCAG large text: AAA
Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 9.38, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#228B8B
Analogous#8B2256, #8B5622
Triadic#228B22, #22228B
Split complementary#228B56, #22568B
Tetradic#568B22, #228B8B, #56228B

Tints, shades & saturation

Lighter +40%#E59494
Lighter +30%#DB6B6B
Lighter +20%#D14242
Lighter +10%#B42C2C
Darker −10%#621818
Darker −20%#390E0E
Darker −30%#100404
Darker −40%#000000
More saturated +25%#A10C0C
Less saturated −25%#753838

Channel breakdown

R139
G34
B34
Red139 (54.5%)
Green34 (13.3%)
Blue34 (13.3%)
Hue0°
Saturation (HSL)60.69%
Lightness33.92%
Dominant channelRed
Hex per channelR 8B · G 22 · B 22

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Every value on this page was computed from “8b2222” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.