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Recognised as Colour

#CF2E1E

  • #CF2E1E
  • Red
  • Dark
  • Nearest: Firebrick

#CF2E1E is a red with RGB values 207, 46, 30 and HSL 5°, 75%, 46%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CF2E1E#CF2E1E
HEX#CF2E1E
RGBrgb(207, 46, 30)
RGB (0–1)0.8118, 0.1804, 0.1176
RGB percentages81.2%, 18%, 11.8%
HSLhsl(5.4, 74.7%, 46.5%)
HSV / HSBhsv(5.4, 85.5%, 81.2%)
CMYK0%, 77.8%, 85.5%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,577,758
CSS custom property--colour: #CF2E1E;

Brightness & contrast

Relative luminance0.15313WCAG 2.x, 0 is black and 1 is white
Perceived brightness119 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.17:1
Contrast with white5.17:1WCAG normal text: AA
Contrast with black4.06:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#30D1E1

Colour vision & accessibility

Protanopia#625719no red cones; affects about 1% of men; ΔE 66.1 from the original
Deuteranopia#897A13no green cones; the most common form, about 1% of men; ΔE 66.3 from the original
Tritanopia#E4002Dno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.17:1WCAG large text: AAA
Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 13.61, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1EBFCF
Analogous#CF1E66, #CF861E
Triadic#1ECF2E, #2E1ECF
Split complementary#1ECF87, #1E66CF
Tetradic#67CF1E, #1EBFCF, #871ECF

Tints, shades & saturation

Lighter +40%#F6C7C3
Lighter +30%#F09E96
Lighter +20%#E9756A
Lighter +10%#E34C3D
Darker −10%#A22418
Darker −20%#761A11
Darker −30%#49100B
Darker −40%#1D0604
More saturated +25%#ED1600
Less saturated −25%#B1463C

Channel breakdown

R207
G46
B30
Red207 (81.2%)
Green46 (18%)
Blue30 (11.8%)
Hue5.42°
Saturation (HSL)74.68%
Lightness46.47%
Dominant channelRed
Hex per channelR CF · G 2E · B 1E

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Every value on this page was computed from “cf2e1e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.