Colour

#FC0403

#FC0403
Red
Dark
Nearest: Red

#FC0403 is a red with RGB values 252, 4, 3 and HSL 0°, 98%, 50%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FC0403#FC0403

HEX#FC0403

RGBrgb(252, 4, 3)

RGB (0–1)0.9882, 0.0157, 0.0118

RGB percentages98.8%, 1.6%, 1.2%

HSLhsl(0.2, 97.6%, 50%)

HSV / HSBhsv(0.2, 98.8%, 98.8%)

CMYK0%, 98.4%, 98.8%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,516,099

CSS custom property--colour: #FC0403;

Brightness & contrast

Relative luminance0.20789WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.16:1

Contrast with white4.07:1WCAG normal text: Fail

Contrast with black5.16:1WCAG normal text: AA

Greyscale equivalent#393939

Inverted#03FBFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C5E00no red cones; affects about 1% of men; ΔE 85.6 from the original

Deuteranopia#A18F00no green cones; the most common form, about 1% of men; ΔE 85.2 from the original

Tritanopia#FF0011no blue cones; rare, and affects men and women equally; ΔE 3.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.07:1WCAG large text: AA

Contrast with black, large text5.16:1WCAG large text: AAA

Named colours

Red · ΔE 1.7 Orange red · ΔE 12.7 Tomato · ΔE 30.3 Crimson · ΔE 33.8 Firebrick · ΔE 39 Coral · ΔE 41.1

Nearest named CSS colourRed (#FF0000)ΔE 1.73, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#03FBFC

Analogous#FC037E, #FC8103

Triadic#03FC04, #0403FC

Split complementary#03FC81, #037EFC

Tetradic#7FFC03, #03FBFC, #8103FC

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FECDCD

Lighter +30%#FE9B9A

Lighter +20%#FD6868

Lighter +10%#FD3635

Darker −10%#CA0302

Darker −20%#970202

Darker −30%#650201

Darker −40%#320101

More saturated +25%#FF0100

Less saturated −25%#DC2423

Channel breakdown

R252

Red252 (98.8%)

Green4 (1.6%)

Blue3 (1.2%)

Hue0.24°

Saturation (HSL)97.65%

Lightness50%

Dominant channelRed

Hex per channelR FC · G 04 · B 03

Keep nerding

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#FC0403

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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