Recognised as Colour

#E04133

#E04133
Red
Dark
Nearest: Tomato

#E04133 is a red with RGB values 224, 65, 51 and HSL 5°, 74%, 54%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E04133#E04133

HEX#E04133

RGBrgb(224, 65, 51)

RGB (0–1)0.8784, 0.2549, 0.2

RGB percentages87.8%, 25.5%, 20%

HSLhsl(4.9, 73.6%, 53.9%)

HSV / HSBhsv(4.9, 77.2%, 87.8%)

CMYK0%, 71%, 77.2%, 12.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,696,755

CSS custom property--colour: #E04133;

Brightness & contrast

Relative luminance0.19867WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.97:1

Contrast with white4.22:1WCAG normal text: Fail

Contrast with black4.97:1WCAG normal text: AA

Greyscale equivalent#626262

Inverted#1FBECC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706530no red cones; affects about 1% of men; ΔE 65.5 from the original

Deuteranopia#98882Cno green cones; the most common form, about 1% of men; ΔE 65.6 from the original

Tritanopia#F7003Fno blue cones; rare, and affects men and women equally; ΔE 19.5 from the original

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

Contrast with white, large text4.22:1WCAG large text: AA

Contrast with black, large text4.97:1WCAG large text: AAA

Named colours

Tomato · ΔE 11.1 Firebrick · ΔE 14.8 Crimson · ΔE 15.5 Coral · ΔE 22 Brown · ΔE 22.4 Dark red · ΔE 25.6

Nearest named CSS colourTomato (#FF6347)ΔE 11.09, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#33D2E0

Analogous#E0337B, #E09833

Triadic#33E041, #4133E0

Split complementary#33E097, #337CE0

Tetradic#7BE033, #33D2E0, #9733E0

Tints, shades & saturation

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

Lighter +40%#FBE6E4

Lighter +30%#F4BDB8

Lighter +20%#ED938C

Lighter +10%#E76A5F

Darker −10%#C22B1E

Darker −20%#962117

Darker −30%#6A1710

Darker −40%#3E0E09

More saturated +25%#FD2816

Less saturated −25%#C35A50

Channel breakdown

R224

G65

B51

Red224 (87.8%)

Green65 (25.5%)

Blue51 (20%)

Hue4.86°

Saturation (HSL)73.62%

Lightness53.92%

Dominant channelRed

Hex per channelR E0 · G 41 · B 33

Keep nerding

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

#E04133

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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