Recognised as Colour

#E50013

#E50013
Red
Dark
Nearest: Red

#E50013 is a red with RGB values 229, 0, 19 and HSL 355°, 100%, 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

#E50013#E50013

HEX#E50013

RGBrgb(229, 0, 19)

RGB (0–1)0.898, 0, 0.0745

RGB percentages89.8%, 0%, 7.5%

HSLhsl(355, 100%, 44.9%)

HSV / HSBhsv(355, 100%, 89.8%)

CMYK0%, 100%, 91.7%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,007,763

CSS custom property--colour: #E50013;

Brightness & contrast

Relative luminance0.16705WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.84:1

Contrast with white4.84:1WCAG normal text: AA

Contrast with black4.34:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#1AFFEC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#60550Cno red cones; affects about 1% of men; ΔE 80.3 from the original

Deuteranopia#928100no green cones; the most common form, about 1% of men; ΔE 79.3 from the original

Tritanopia#FD0011no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original

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

Contrast with white, large text4.84:1WCAG large text: AAA

Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Red · ΔE 13.6 Orange red · ΔE 17.2 Crimson · ΔE 22.9 Tomato · ΔE 23.7 Firebrick · ΔE 27.4 Dark red · ΔE 33.8

Nearest named CSS colourRed (#FF0000)ΔE 13.63, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E5D2

Analogous#E50085, #E56000

Triadic#13E500, #0013E5

Split complementary#00E560, #0085E5

Tetradic#85E500, #00E5D2, #6000E5

Tints, shades & saturation

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

Lighter +40%#FFB2B8

Lighter +30%#FF7F8A

Lighter +20%#FF4C5B

Lighter +10%#FF192C

Darker −10%#B2000F

Darker −20%#7F000B

Darker −30%#4C0006

Darker −40%#190002

More saturated +25%#E50013

Less saturated −25%#C81D2B

Channel breakdown

R229

B19

Red229 (89.8%)

Green0 (0%)

Blue19 (7.5%)

Hue355.02°

Saturation (HSL)100%

Lightness44.9%

Dominant channelRed

Hex per channelR E5 · G 00 · B 13

Keep nerding

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

#E50013

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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