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Recognised as Colour

#FD4851

  • #FD4851
  • Red
  • Dark
  • Nearest: Crimson

#FD4851 is a red with RGB values 253, 72, 81 and HSL 357°, 98%, 64%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FD4851#FD4851
HEX#FD4851
RGBrgb(253, 72, 81)
RGB (0–1)0.9922, 0.2824, 0.3176
RGB percentages99.2%, 28.2%, 31.8%
HSLhsl(357, 97.8%, 63.7%)
HSV / HSBhsv(357, 71.5%, 99.2%)
CMYK0%, 71.5%, 68%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,599,121
CSS custom property--colour: #FD4851;

Brightness & contrast

Relative luminance0.26111WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.22:1
Contrast with white3.37:1WCAG normal text: Fail
Contrast with black6.22:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#02B7AE

Colour vision & accessibility

Protanopia#7C7350no red cones; affects about 1% of men; ΔE 72.7 from the original
Deuteranopia#A99A4Bno green cones; the most common form, about 1% of men; ΔE 73.5 from the original
Tritanopia#FF004Dno blue cones; rare, and affects men and women equally; ΔE 14.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.37:1WCAG large text: AA
Contrast with black, large text6.22:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 11.75, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#48FDF4
Analogous#FD48AC, #FD9948
Triadic#51FD48, #4851FD
Split complementary#48FD99, #48ACFD
Tetradic#ACFD48, #48FDF4, #9948FD

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFDFE1
Lighter +20%#FEADB1
Lighter +10%#FE7A81
Darker −10%#FC1621
Darker −20%#DD020D
Darker −30%#AA020A
Darker −40%#780107
More saturated +25%#FF464F
Less saturated −25%#E65F66

Channel breakdown

R253
G72
B81
Red253 (99.2%)
Green72 (28.2%)
Blue81 (31.8%)
Hue357.02°
Saturation (HSL)97.84%
Lightness63.73%
Dominant channelRed
Hex per channelR FD · G 48 · B 51

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Every value on this page was computed from “fd4851” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.