Recognised as Colour

#E50557

#E50557
Red
Dark
Nearest: Crimson

#E50557 is a red with RGB values 229, 5, 87 and HSL 338°, 96%, 46%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E50557#E50557

HEX#E50557

RGBrgb(229, 5, 87)

RGB (0–1)0.898, 0.0196, 0.3412

RGB percentages89.8%, 2%, 34.1%

HSLhsl(338, 95.7%, 45.9%)

HSV / HSBhsv(338, 97.8%, 89.8%)

CMYK0%, 97.8%, 62%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,009,111

CSS custom property--colour: #E50557;

Brightness & contrast

Relative luminance0.17455WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.68:1

Contrast with white4.68:1WCAG normal text: AA

Contrast with black4.49:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#1AFAA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A5958no red cones; affects about 1% of men; ΔE 78.7 from the original

Deuteranopia#8D8251no green cones; the most common form, about 1% of men; ΔE 79.6 from the original

Tritanopia#FB0034no blue cones; rare, and affects men and women equally; ΔE 27 from the original

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

Contrast with white, large text4.68:1WCAG large text: AAA

Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Crimson · ΔE 14.7 Deep pink · ΔE 27.9 Firebrick · ΔE 28.4 Brown · ΔE 30.4 Indian red · ΔE 31.4 Tomato · ΔE 34.8

Nearest named CSS colourCrimson (#DC143C)ΔE 14.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05E593

Analogous#E505C7, #E52305

Triadic#57E505, #0557E5

Split complementary#05E523, #05C7E5

Tetradic#C7E505, #05E593, #2305E5

Tints, shades & saturation

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

Lighter +40%#FDB9D2

Lighter +30%#FC87B2

Lighter +20%#FB5592

Lighter +10%#FA2372

Darker −10%#B30444

Darker −20%#810331

Darker −30%#4F021E

Darker −40%#1D010B

More saturated +25%#EA0056

Less saturated −25%#C8225F

Channel breakdown

R229

B87

Red229 (89.8%)

Green5 (2%)

Blue87 (34.1%)

Hue338.04°

Saturation (HSL)95.73%

Lightness45.88%

Dominant channelRed

Hex per channelR E5 · G 05 · B 57

Keep nerding

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

#E50557

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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