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Recognised as Colour

#582B31

  • #582B31
  • Red
  • Dark
  • Nearest: Dim grey

#582B31 is a red with RGB values 88, 43, 49 and HSL 352°, 34%, 26%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#582B31#582B31
HEX#582B31
RGBrgb(88, 43, 49)
RGB (0–1)0.3451, 0.1686, 0.1922
RGB percentages34.5%, 16.9%, 19.2%
HSLhsl(352, 34.4%, 25.7%)
HSV / HSBhsv(352, 51.1%, 34.5%)
CMYK0%, 51.1%, 44.3%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,778,225
CSS custom property--colour: #582B31;

Brightness & contrast

Relative luminance0.04024WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.64:1
Contrast with white11.64:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#A7D4CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343331no red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#3F3C30no green cones; the most common form, about 1% of men; ΔE 22.7 from the original
Tritanopia#5F262Dno blue cones; rare, and affects men and women equally; ΔE 6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.64:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dim grey · ΔE 30.2Black · ΔE 32.4Dark slate grey · ΔE 35.2Sienna · ΔE 37Gray · ΔE 37.1Saddle brown · ΔE 38.3
Nearest named CSS colourDim grey (#696969)ΔE 30.25, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B5852
Analogous#582B48, #583C2B
Triadic#31582B, #2B3158
Split complementary#2B583C, #2B4758
Tetradic#47582B, #2B5852, #3B2B58

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C68991
Lighter +30%#B56772
Lighter +20%#9D4C57
Lighter +10%#7A3C44
Darker −10%#361A1E
Darker −20%#130A0B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#681B25
Less saturated −25%#483B3D

Channel breakdown

R88
G43
B49
Red88 (34.5%)
Green43 (16.9%)
Blue49 (19.2%)
Hue352°
Saturation (HSL)34.35%
Lightness25.69%
Dominant channelRed
Hex per channelR 58 · G 2B · B 31

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Every value on this page was computed from “582b31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.