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Recognised as Colour

#56403D

  • #56403D
  • Red
  • Dark
  • Nearest: Dim grey

#56403D is a red with RGB values 86, 64, 61 and HSL 7°, 17%, 29%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#56403D#56403D
HEX#56403D
RGBrgb(86, 64, 61)
RGB (0–1)0.3373, 0.251, 0.2392
RGB percentages33.7%, 25.1%, 23.9%
HSLhsl(7.2, 17%, 28.8%)
HSV / HSBhsv(7.2, 29.1%, 33.7%)
CMYK0%, 25.6%, 29.1%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,652,541
CSS custom property--colour: #56403D;

Brightness & contrast

Relative luminance0.05982WCAG 2.x, 0 is black and 1 is white
Perceived brightness71 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#A9BFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44433Dno red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#4A473Dno green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#5B3D3Fno blue cones; rare, and affects men and women equally; ΔE 4.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dim grey · ΔE 18.4Dark slate grey · ΔE 22.8Gray · ΔE 26.4Slate grey · ΔE 30.6Black · ΔE 31.2Light slate grey · ΔE 33.3
Nearest named CSS colourDim grey (#696969)ΔE 18.42, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D5356
Analogous#563D47, #564D3D
Triadic#3D5640, #403D56
Split complementary#3D564D, #3D4756
Tetradic#47563D, #3D5356, #4D3D56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDA5A2
Lighter +30%#A88884
Lighter +20%#926C67
Lighter +10%#745652
Darker −10%#382A28
Darker −20%#1A1413
Darker −30%#000000
Darker −40%#000000
More saturated +25%#68322B
Less saturated −25%#4A4A4A

Channel breakdown

R86
G64
B61
Red86 (33.7%)
Green64 (25.1%)
Blue61 (23.9%)
Hue7.2°
Saturation (HSL)17.01%
Lightness28.82%
Dominant channelRed
Hex per channelR 56 · G 40 · B 3D

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Every value on this page was computed from “56403d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.