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Recognised as Colour

#603D3B

  • #603D3B
  • Red
  • Dark
  • Nearest: Dim grey

#603D3B is a red with RGB values 96, 61, 59 and HSL 3°, 24%, 30%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#603D3B#603D3B
HEX#603D3B
RGBrgb(96, 61, 59)
RGB (0–1)0.3765, 0.2392, 0.2314
RGB percentages37.6%, 23.9%, 23.1%
HSLhsl(3.2, 23.9%, 30.4%)
HSV / HSBhsv(3.2, 38.5%, 37.6%)
CMYK0%, 36.5%, 38.5%, 62.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,307,131
CSS custom property--colour: #603D3B;

Brightness & contrast

Relative luminance0.0614WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.43:1
Contrast with white9.43:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#9FC2C4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44423Bno red cones; affects about 1% of men; ΔE 16.1 from the original
Deuteranopia#4C493Ano green cones; the most common form, about 1% of men; ΔE 16.9 from the original
Tritanopia#67393Dno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.43:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dim grey · ΔE 22.4Dark slate grey · ΔE 29.1Gray · ΔE 29.2Rosy brown · ΔE 33.9Slate grey · ΔE 34Black · ΔE 34.2
Nearest named CSS colourDim grey (#696969)ΔE 22.36, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B5E60
Analogous#603B4C, #60503B
Triadic#3B603D, #3D3B60
Split complementary#3B6050, #3B4C60
Tetradic#4C603B, #3B5E60, #4F3B60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6A3A1
Lighter +30%#B28482
Lighter +20%#9F6662
Lighter +10%#80514E
Darker −10%#402928
Darker −20%#211514
Darker −30%#010101
Darker −40%#000000
More saturated +25%#732C28
Less saturated −25%#4E4E4E

Channel breakdown

R96
G61
B59
Red96 (37.6%)
Green61 (23.9%)
Blue59 (23.1%)
Hue3.24°
Saturation (HSL)23.87%
Lightness30.39%
Dominant channelRed
Hex per channelR 60 · G 3D · B 3B

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Every value on this page was computed from “603d3b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.