Recognised as Colour

#E31608

#E31608
Red
Dark
Nearest: Red

#E31608 is a red with RGB values 227, 22, 8 and HSL 4°, 93%, 46%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E31608#E31608

HEX#E31608

RGBrgb(227, 22, 8)

RGB (0–1)0.8902, 0.0863, 0.0314

RGB percentages89%, 8.6%, 3.1%

HSLhsl(3.8, 93.2%, 46.1%)

HSV / HSBhsv(3.8, 96.5%, 89%)

CMYK0%, 90.3%, 96.5%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,882,312

CSS custom property--colour: #E31608;

Brightness & contrast

Relative luminance0.16922WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.79:1

Contrast with white4.79:1WCAG normal text: AA

Contrast with black4.38:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#1CE9F7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635700no red cones; affects about 1% of men; ΔE 77.4 from the original

Deuteranopia#928100no green cones; the most common form, about 1% of men; ΔE 76.6 from the original

Tritanopia#FB0019no blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

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

Contrast with white, large text4.79:1WCAG large text: AAA

Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Red · ΔE 12.7 Orange red · ΔE 13.7 Tomato · ΔE 23.5 Crimson · ΔE 26 Firebrick · ΔE 28.3 Dark red · ΔE 33.9

Nearest named CSS colourRed (#FF0000)ΔE 12.7, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#08D5E3

Analogous#E30868, #E38408

Triadic#08E316, #1608E3

Split complementary#08E384, #0867E3

Tetradic#67E308, #08D5E3, #8308E3

Tints, shades & saturation

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

Lighter +40%#FDBFBA

Lighter +30%#FB9089

Lighter +20%#F96258

Lighter +10%#F73427

Darker −10%#B21106

Darker −20%#800C05

Darker −30%#4F0803

Darker −40%#1E0301

More saturated +25%#EB0F00

Less saturated −25%#C63025

Channel breakdown

R227

G22

Red227 (89%)

Green22 (8.6%)

Blue8 (3.1%)

Hue3.84°

Saturation (HSL)93.19%

Lightness46.08%

Dominant channelRed

Hex per channelR E3 · G 16 · B 08

Keep nerding

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

#E31608

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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