Recognised as Colour

#E50F03

#E50F03
Red
Dark
Nearest: Red

#E50F03 is a red with RGB values 229, 15, 3 and HSL 3°, 97%, 45%. 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

#E50F03#E50F03

HEX#E50F03

RGBrgb(229, 15, 3)

RGB (0–1)0.898, 0.0588, 0.0118

RGB percentages89.8%, 5.9%, 1.2%

HSLhsl(3.2, 97.4%, 45.5%)

HSV / HSBhsv(3.2, 98.7%, 89.8%)

CMYK0%, 93.4%, 98.7%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,011,587

CSS custom property--colour: #E50F03;

Brightness & contrast

Relative luminance0.17006WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.77:1

Contrast with white4.77:1WCAG normal text: AA

Contrast with black4.4:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#1AF0FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635600no red cones; affects about 1% of men; ΔE 78.6 from the original

Deuteranopia#938200no green cones; the most common form, about 1% of men; ΔE 78 from the original

Tritanopia#FD0015no blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

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

Contrast with white, large text4.77:1WCAG large text: AAA

Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Red · ΔE 10.8 Orange red · ΔE 13 Tomato · ΔE 25.1 Crimson · ΔE 27.7 Firebrick · ΔE 30.3 Dark red · ΔE 35.7

Nearest named CSS colourRed (#FF0000)ΔE 10.78, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03D9E5

Analogous#E50368, #E58003

Triadic#03E50F, #0F03E5

Split complementary#03E580, #0368E5

Tetradic#68E503, #03D9E5, #8003E5

Tints, shades & saturation

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

Lighter +40%#FEBAB6

Lighter +30%#FD8A84

Lighter +20%#FD5A51

Lighter +10%#FC2B1F

Darker −10%#B30C02

Darker −20%#800802

Darker −30%#4E0501

Darker −40%#1C0200

More saturated +25%#E80C00

Less saturated −25%#C82920

Channel breakdown

R229

G15

Red229 (89.8%)

Green15 (5.9%)

Blue3 (1.2%)

Hue3.19°

Saturation (HSL)97.41%

Lightness45.49%

Dominant channelRed

Hex per channelR E5 · G 0F · B 03

Keep nerding

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

#E50F03

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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