Colour

#E4472A

#E4472A
Red
Dark
Nearest: Tomato

#E4472A is a red with RGB values 228, 71, 42 and HSL 9°, 78%, 53%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E4472A#E4472A

HEX#E4472A

RGBrgb(228, 71, 42)

RGB (0–1)0.8941, 0.2784, 0.1647

RGB percentages89.4%, 27.8%, 16.5%

HSLhsl(9.4, 77.5%, 52.9%)

HSV / HSBhsv(9.4, 81.6%, 89.4%)

CMYK0%, 68.9%, 81.6%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,960,426

CSS custom property--colour: #E4472A;

Brightness & contrast

Relative luminance0.21168WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.23:1

Contrast with white4.01:1WCAG normal text: Fail

Contrast with black5.23:1WCAG normal text: AA

Greyscale equivalent#666666

Inverted#1BB8D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#766925no red cones; affects about 1% of men; ΔE 64.4 from the original

Deuteranopia#9C8C22no green cones; the most common form, about 1% of men; ΔE 65.2 from the original

Tritanopia#FB0442no blue cones; rare, and affects men and women equally; ΔE 23.9 from the original

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

Contrast with white, large text4.01:1WCAG large text: AA

Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Tomato · ΔE 10 Firebrick · ΔE 19.2 Coral · ΔE 20 Orange red · ΔE 21 Crimson · ΔE 21.3 Chocolate · ΔE 23.3

Nearest named CSS colourTomato (#FF6347)ΔE 9.96, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2AC7E4

Analogous#E42A6A, #E4A42A

Triadic#2AE447, #472AE4

Split complementary#2AE4A4, #2A6AE4

Tetradic#6AE42A, #2AC7E4, #A42AE4

Tints, shades & saturation

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

Lighter +40%#FBE3DF

Lighter +30%#F5BCB2

Lighter +20%#EF9585

Lighter +10%#EA6E57

Darker −10%#C23319

Darker −20%#952713

Darker −30%#681B0D

Darker −40%#3B0F07

More saturated +25%#FF340F

Less saturated −25%#C65C48

Channel breakdown

R228

G71

B42

Red228 (89.4%)

Green71 (27.8%)

Blue42 (16.5%)

Hue9.35°

Saturation (HSL)77.5%

Lightness52.94%

Dominant channelRed

Hex per channelR E4 · G 47 · B 2A

Keep nerding

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

#E4472A

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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