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Colour

#FF637E

  • #FF637E
  • Red
  • Dark
  • Nearest: Light coral

#FF637E is a red with RGB values 255, 99, 126 and HSL 350°, 100%, 69%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Light coral.

Colour values

#FF637E#FF637E
HEX#FF637E
RGBrgb(255, 99, 126)
RGB (0–1)1, 0.3882, 0.4941
RGB percentages100%, 38.8%, 49.4%
HSLhsl(349.6, 100%, 69.4%)
HSV / HSBhsv(349.6, 61.2%, 100%)
CMYK0%, 61.2%, 50.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,737,150
CSS custom property--colour: #FF637E;

Brightness & contrast

Relative luminance0.3169WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.34:1
Contrast with white2.86:1WCAG normal text: Fail
Contrast with black7.34:1WCAG normal text: AAA
Greyscale equivalent#868686
Inverted#009C81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#87857Eno red cones; affects about 1% of men; ΔE 63.6 from the original
Deuteranopia#AFA57Ano green cones; the most common form, about 1% of men; ΔE 65 from the original
Tritanopia#FF4A6Dno blue cones; rare, and affects men and women equally; ΔE 10.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.86:1WCAG large text: Fail
Contrast with black, large text7.34:1WCAG large text: AAA

Named colours

Light coral · ΔE 18.9Indian red · ΔE 19.8Salmon · ΔE 20.6Pale violetred · ΔE 22.9Crimson · ΔE 25.1Hot pink · ΔE 27.7
Nearest named CSS colourLight coral (#F08080)ΔE 18.93, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#63FFE4
Analogous#FF63CC, #FF9663
Triadic#7EFF63, #637EFF
Split complementary#63FF96, #63CCFF
Tetradic#CCFF63, #63FFE4, #9663FF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFCFD
Lighter +20%#FFC9D2
Lighter +10%#FF96A8
Darker −10%#FF3054
Darker −20%#FC002C
Darker −30%#C90023
Darker −40%#96001A
More saturated +25%#FF637E
Less saturated −25%#EC768B

Channel breakdown

R255
G99
B126
Red255 (100%)
Green99 (38.8%)
Blue126 (49.4%)
Hue349.62°
Saturation (HSL)100%
Lightness69.41%
Dominant channelRed
Hex per channelR FF · G 63 · B 7E

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Every value on this page was computed from “ff637e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.