Colour

#CE0100

#CE0100
Red
Dark
Nearest: Red

#CE0100 is a red with RGB values 206, 1, 0 and HSL 0°, 100%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#CE0100#CE0100

HEX#CE0100

RGBrgb(206, 1, 0)

RGB (0–1)0.8078, 0.0039, 0

RGB percentages80.8%, 0.4%, 0%

HSLhsl(0.3, 100%, 40.4%)

HSV / HSBhsv(0.3, 100%, 80.8%)

CMYK0%, 99.5%, 100%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,500,672

CSS custom property--colour: #CE0100;

Brightness & contrast

Relative luminance0.13144WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.79:1

Contrast with white5.79:1WCAG normal text: AA

Contrast with black3.63:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#31FEFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574B00no red cones; affects about 1% of men; ΔE 73.6 from the original

Deuteranopia#837400no green cones; the most common form, about 1% of men; ΔE 73.3 from the original

Tritanopia#E4000Ano blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

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

Contrast with white, large text5.79:1WCAG large text: AAA

Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Red · ΔE 18.7 Orange red · ΔE 18.7 Firebrick · ΔE 23.4 Crimson · ΔE 24.1 Tomato · ΔE 24.3 Dark red · ΔE 27.7

Nearest named CSS colourRed (#FF0000)ΔE 18.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CDCE

Analogous#CE0066, #CE6800

Triadic#00CE01, #0100CE

Split complementary#00CE68, #0066CE

Tetradic#66CE00, #00CDCE, #6800CE

Tints, shades & saturation

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

Lighter +40%#FF9B9B

Lighter +30%#FF6968

Lighter +20%#FF3635

Lighter +10%#FF0302

Darker −10%#9B0100

Darker −20%#680100

Darker −30%#350000

Darker −40%#020000

More saturated +25%#CE0100

Less saturated −25%#B41B1A

Channel breakdown

R206

Red206 (80.8%)

Green1 (0.4%)

Blue0 (0%)

Hue0.29°

Saturation (HSL)100%

Lightness40.39%

Dominant channelRed

Hex per channelR CE · G 01 · B 00

Keep nerding

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#CE0100

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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