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Recognised as Colour

#CF644A

  • #CF644A
  • Red
  • Dark
  • Nearest: Indian red

#CF644A is a red with RGB values 207, 100, 74 and HSL 12°, 58%, 55%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CF644A#CF644A
HEX#CF644A
RGBrgb(207, 100, 74)
RGB (0–1)0.8118, 0.3922, 0.2902
RGB percentages81.2%, 39.2%, 29%
HSLhsl(11.7, 58.1%, 55.1%)
HSV / HSBhsv(11.7, 64.3%, 81.2%)
CMYK0%, 51.7%, 64.3%, 18.8%naive device-independent conversion; real print needs an ICC profile
24-bit integer13,591,626
CSS custom property--colour: #CF644A;

Brightness & contrast

Relative luminance0.22874WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.57:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.57:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#309BB5

Colour vision & accessibility

Protanopia#807547no red cones; affects about 1% of men; ΔE 44.1 from the original
Deuteranopia#9A8C48no green cones; the most common form, about 1% of men; ΔE 44.6 from the original
Tritanopia#E2505Eno blue cones; rare, and affects men and women equally; ΔE 20.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.57:1WCAG large text: AAA

Named colours

Nearest named CSS colourIndian red (#CD5C5C)ΔE 13.23, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#4AB5CF
Analogous#CF4A73, #CFA74A
Triadic#4ACF64, #644ACF
Split complementary#4ACFA6, #4A73CF
Tetradic#72CF4A, #4AB5CF, #A74ACF

Tints, shades & saturation

Lighter +40%#FAEEEB
Lighter +30%#EFCCC3
Lighter +20%#E4A99B
Lighter +10%#DA8772
Darker −10%#B64A30
Darker −20%#8D3A26
Darker −30%#65291B
Darker −40%#3D1910
More saturated +25%#EC532D
Less saturated −25%#B27567

Channel breakdown

R207
G100
B74
Red207 (81.2%)
Green100 (39.2%)
Blue74 (29%)
Hue11.73°
Saturation (HSL)58.08%
Lightness55.1%
Dominant channelRed
Hex per channelR CF · G 64 · B 4A

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Every value on this page was computed from “cf644a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.