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Recognised as Colour

#C53E2B

  • #C53E2B
  • Red
  • Dark
  • Nearest: Firebrick

#C53E2B is a red with RGB values 197, 62, 43 and HSL 7°, 64%, 47%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C53E2B#C53E2B
HEX#C53E2B
RGBrgb(197, 62, 43)
RGB (0–1)0.7725, 0.2431, 0.1686
RGB percentages77.3%, 24.3%, 16.9%
HSLhsl(7.4, 64.2%, 47.1%)
HSV / HSBhsv(7.4, 78.2%, 77.3%)
CMYK0%, 68.5%, 78.2%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,926,507
CSS custom property--colour: #C53E2B;

Brightness & contrast

Relative luminance0.1549WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.12:1
Contrast with white5.12:1WCAG normal text: AA
Contrast with black4.1:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#3AC1D4

Colour vision & accessibility

Protanopia#655B28no red cones; affects about 1% of men; ΔE 57.4 from the original
Deuteranopia#877925no green cones; the most common form, about 1% of men; ΔE 57.6 from the original
Tritanopia#D90F3Bno blue cones; rare, and affects men and women equally; ΔE 19.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.12:1WCAG large text: AAA
Contrast with black, large text4.1:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 8.68, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2BB2C5
Analogous#C52B65, #C58B2B
Triadic#2BC53E, #3E2BC5
Split complementary#2BC58B, #2B65C5
Tetradic#65C52B, #2BB2C5, #8B2BC5

Tints, shades & saturation

Lighter +40%#F3CEC9
Lighter +30%#EAA89F
Lighter +20%#E18275
Lighter +10%#D85D4B
Darker −10%#9B3122
Darker −20%#712419
Darker −30%#471610
Darker −40%#1E0906
More saturated +25%#E3270D
Less saturated −25%#A75549

Channel breakdown

R197
G62
B43
Red197 (77.3%)
Green62 (24.3%)
Blue43 (16.9%)
Hue7.4°
Saturation (HSL)64.17%
Lightness47.06%
Dominant channelRed
Hex per channelR C5 · G 3E · B 2B

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Every value on this page was computed from “c53e2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.