Colour

#FC0000

#FC0000
Red
Dark
Nearest: Red

#FC0000 is a red with RGB values 252, 0, 0 and HSL 0°, 100%, 49%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FC0000#FC0000

HEX#FC0000

RGBrgb(252, 0, 0)

RGB (0–1)0.9882, 0, 0

RGB percentages98.8%, 0%, 0%

HSLhsl(0, 100%, 49.4%)

HSV / HSBhsv(0, 100%, 98.8%)

CMYK0%, 100%, 100%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,515,072

CSS custom property--colour: #FC0000;

Brightness & contrast

Relative luminance0.20695WCAG 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 5.14:1

Contrast with white4.09:1WCAG normal text: Fail

Contrast with black5.14:1WCAG normal text: AA

Greyscale equivalent#363636

Inverted#03FFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B5E00no red cones; affects about 1% of men; ΔE 86.6 from the original

Deuteranopia#A18F00no green cones; the most common form, about 1% of men; ΔE 85.4 from the original

Tritanopia#FF000Fno blue cones; rare, and affects men and women equally; ΔE 3.3 from the original

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

Contrast with white, large text4.09:1WCAG large text: AA

Contrast with black, large text5.14:1WCAG large text: AAA

Named colours

Red · ΔE 1.1 Orange red · ΔE 12.8 Tomato · ΔE 31 Crimson · ΔE 34.5 Firebrick · ΔE 39.6 Coral · ΔE 41.7

Nearest named CSS colourRed (#FF0000)ΔE 1.12, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FCFC

Analogous#FC007E, #FC7E00

Triadic#00FC00, #0000FC

Split complementary#00FC7E, #007EFC

Tetradic#7EFC00, #00FCFC, #7E00FC

Tints, shades & saturation

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

Lighter +40%#FFC9C9

Lighter +30%#FF9696

Lighter +20%#FF6363

Lighter +10%#FF3030

Darker −10%#C90000

Darker −20%#960000

Darker −30%#630000

Darker −40%#300000

More saturated +25%#FC0000

Less saturated −25%#DD2020

Channel breakdown

R252

Red252 (98.8%)

Green0 (0%)

Blue0 (0%)

Hue0°

Saturation (HSL)100%

Lightness49.41%

Dominant channelRed

Hex per channelR FC · G 00 · B 00

Keep nerding

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#FC0000

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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