Colour

#E1000D

#E1000D
Red
Dark
Nearest: Red

#E1000D is a red with RGB values 225, 0, 13 and HSL 357°, 100%, 44%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E1000D#E1000D

HEX#E1000D

RGBrgb(225, 0, 13)

RGB (0–1)0.8824, 0, 0.051

RGB percentages88.2%, 0%, 5.1%

HSLhsl(356.5, 100%, 44.1%)

HSV / HSBhsv(356.5, 100%, 88.2%)

CMYK0%, 100%, 94.2%, 11.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,745,613

CSS custom property--colour: #E1000D;

Brightness & contrast

Relative luminance0.16037WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.99:1

Contrast with white4.99:1WCAG normal text: AA

Contrast with black4.21:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#1EFFF2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5304no red cones; affects about 1% of men; ΔE 78.7 from the original

Deuteranopia#8F7F00no green cones; the most common form, about 1% of men; ΔE 78.6 from the original

Tritanopia#F9000Fno blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text4.99:1WCAG large text: AAA

Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Red · ΔE 13.6 Orange red · ΔE 16.5 Crimson · ΔE 23.9 Tomato · ΔE 24.1 Firebrick · ΔE 27.2 Dark red · ΔE 33.2

Nearest named CSS colourRed (#FF0000)ΔE 13.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E1D4

Analogous#E1007E, #E16400

Triadic#0DE100, #000DE1

Split complementary#00E164, #007EE1

Tetradic#7DE100, #00E1D4, #6300E1

Tints, shades & saturation

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

Lighter +40%#FFAEB3

Lighter +30%#FF7B83

Lighter +20%#FF4853

Lighter +10%#FF1523

Darker −10%#AE000A

Darker −20%#7B0007

Darker −30%#480004

Darker −40%#150001

More saturated +25%#E1000D

Less saturated −25%#C51C26

Channel breakdown

R225

B13

Red225 (88.2%)

Green0 (0%)

Blue13 (5.1%)

Hue356.53°

Saturation (HSL)100%

Lightness44.12%

Dominant channelRed

Hex per channelR E1 · G 00 · B 0D

Keep nerding

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#E1000D

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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