Recognised as Colour

#E80100

#E80100
Red
Dark
Nearest: Red

#E80100 is a red with RGB values 232, 1, 0 and HSL 0°, 100%, 45%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E80100#E80100

HEX#E80100

RGBrgb(232, 1, 0)

RGB (0–1)0.9098, 0.0039, 0

RGB percentages91%, 0.4%, 0%

HSLhsl(0.3, 100%, 45.5%)

HSV / HSBhsv(0.3, 100%, 91%)

CMYK0%, 99.6%, 100%, 9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,204,608

CSS custom property--colour: #E80100;

Brightness & contrast

Relative luminance0.17178WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.73:1

Contrast with white4.73:1WCAG normal text: AA

Contrast with black4.44:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#17FEFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#625600no red cones; affects about 1% of men; ΔE 81.2 from the original

Deuteranopia#948300no green cones; the most common form, about 1% of men; ΔE 80 from the original

Tritanopia#FF000Dno blue cones; rare, and affects men and women equally; ΔE 7.6 from the original

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

Contrast with white, large text4.73:1WCAG large text: AAA

Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Red · ΔE 8.7 Orange red · ΔE 13 Tomato · ΔE 26.9 Crimson · ΔE 29.2 Firebrick · ΔE 32.5 Dark red · ΔE 37.7

Nearest named CSS colourRed (#FF0000)ΔE 8.68, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E7E8

Analogous#E80073, #E87500

Triadic#00E801, #0100E8

Split complementary#00E875, #0073E8

Tetradic#73E800, #00E7E8, #7500E8

Tints, shades & saturation

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

Lighter +40%#FFB5B5

Lighter +30%#FF8382

Lighter +20%#FF504F

Lighter +10%#FF1D1C

Darker −10%#B50100

Darker −20%#820100

Darker −30%#4F0000

Darker −40%#1C0000

More saturated +25%#E80100

Less saturated −25%#CB1E1D

Channel breakdown

R232

Red232 (91%)

Green1 (0.4%)

Blue0 (0%)

Hue0.26°

Saturation (HSL)100%

Lightness45.49%

Dominant channelRed

Hex per channelR E8 · G 01 · B 00

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#E80100

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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