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Recognised as Colour

#57242D

  • #57242D
  • Red
  • Dark
  • Nearest: Black

#57242D is a red with RGB values 87, 36, 45 and HSL 349°, 41%, 24%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#57242D#57242D
HEX#57242D
RGBrgb(87, 36, 45)
RGB (0–1)0.3412, 0.1412, 0.1765
RGB percentages34.1%, 14.1%, 17.6%
HSLhsl(349.4, 41.5%, 24.1%)
HSV / HSBhsv(349.4, 58.6%, 34.1%)
CMYK0%, 58.6%, 48.3%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,710,893
CSS custom property--colour: #57242D;

Brightness & contrast

Relative luminance0.03477WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.39:1
Contrast with white12.39:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#A8DBD2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E2E2Dno red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#3B382Cno green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#5F1E27no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.39:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Black · ΔE 33.4Dim grey · ΔE 33.8Sienna · ΔE 37.5Dark slate grey · ΔE 38.6Brown · ΔE 38.7Saddle brown · ΔE 38.7
Nearest named CSS colourBlack (#000000)ΔE 33.38, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#24574E
Analogous#572446, #573524
Triadic#2D5724, #242D57
Split complementary#245735, #244657
Tetradic#465724, #24574E, #352457

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C97E8B
Lighter +30%#BB596B
Lighter +20%#9F4252
Lighter +10%#7B3340
Darker −10%#33151A
Darker −20%#0F0608
Darker −30%#000000
Darker −40%#000000
More saturated +25%#661523
Less saturated −25%#483337

Channel breakdown

R87
G36
B45
Red87 (34.1%)
Green36 (14.1%)
Blue45 (17.6%)
Hue349.41°
Saturation (HSL)41.46%
Lightness24.12%
Dominant channelRed
Hex per channelR 57 · G 24 · B 2D

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Every value on this page was computed from “57242d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.