Recognised as Colour

#E30057

#E30057
Red
Dark
Nearest: Crimson

#E30057 is a red with RGB values 227, 0, 87 and HSL 337°, 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 Crimson.

Colour values

#E30057#E30057

HEX#E30057

RGBrgb(227, 0, 87)

RGB (0–1)0.8902, 0, 0.3412

RGB percentages89%, 0%, 34.1%

HSLhsl(337, 100%, 44.5%)

HSV / HSBhsv(337, 100%, 89%)

CMYK0%, 100%, 61.7%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,876,759

CSS custom property--colour: #E30057;

Brightness & contrast

Relative luminance0.17019WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.6 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#373737

Inverted#1CFFA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#585858no red cones; affects about 1% of men; ΔE 78.8 from the original

Deuteranopia#8C8151no green cones; the most common form, about 1% of men; ΔE 79.5 from the original

Tritanopia#F90033no blue cones; rare, and affects men and women equally; ΔE 27.7 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

Crimson · ΔE 15.4 Deep pink · ΔE 27.3 Firebrick · ΔE 28.7 Brown · ΔE 30.4 Indian red · ΔE 31.5 Medium violet red · ΔE 34.7

Nearest named CSS colourCrimson (#DC143C)ΔE 15.41, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E38C

Analogous#E300C8, #E31B00

Triadic#57E300, #0057E3

Split complementary#00E31B, #00C8E3

Tetradic#C8E300, #00E38C, #1B00E3

Tints, shades & saturation

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

Lighter +40%#FFB0CE

Lighter +30%#FF7DAF

Lighter +20%#FF4A8F

Lighter +10%#FF1770

Darker −10%#B00043

Darker −20%#7D0030

Darker −30%#4A001C

Darker −40%#170009

More saturated +25%#E30057

Less saturated −25%#C71C5E

Channel breakdown

R227

B87

Red227 (89%)

Green0 (0%)

Blue87 (34.1%)

Hue337°

Saturation (HSL)100%

Lightness44.51%

Dominant channelRed

Hex per channelR E3 · G 00 · B 57

Keep nerding

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

#E30057

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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