Recognised as Colour

#C51E57

#C51E57
Red
Dark
Nearest: Crimson

#C51E57 is a red with RGB values 197, 30, 87 and HSL 340°, 74%, 45%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C51E57#C51E57

HEX#C51E57

RGBrgb(197, 30, 87)

RGB (0–1)0.7725, 0.1176, 0.3412

RGB percentages77.3%, 11.8%, 34.1%

HSLhsl(339.5, 73.6%, 44.5%)

HSV / HSBhsv(339.5, 84.8%, 77.3%)

CMYK0%, 84.8%, 55.8%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,918,359

CSS custom property--colour: #C51E57;

Brightness & contrast

Relative luminance0.13487WCAG 2.x, 0 is black and 1 is white

Perceived brightness114 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.68:1

Contrast with white5.68:1WCAG normal text: AA

Contrast with black3.7:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#3AE1A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F5258no red cones; affects about 1% of men; ΔE 67 from the original

Deuteranopia#7A7253no green cones; the most common form, about 1% of men; ΔE 67.4 from the original

Tritanopia#D70039no blue cones; rare, and affects men and women equally; ΔE 22.7 from the original

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

Contrast with white, large text5.68:1WCAG large text: AAA

Contrast with black, large text3.7:1WCAG large text: AA

Named colours

Crimson · ΔE 23.2 Indian red · ΔE 24.7 Brown · ΔE 25.1 Medium violet red · ΔE 27.4 Firebrick · ΔE 28 Pale violetred · ΔE 28.1

Nearest named CSS colourCrimson (#DC143C)ΔE 23.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EC58C

Analogous#C51EAB, #C5391E

Triadic#57C51E, #1E57C5

Split complementary#1EC539, #1EABC5

Tetradic#ABC51E, #1EC58C, #381EC5

Tints, shades & saturation

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

Lighter +40%#F5BACE

Lighter +30%#EE8EAF

Lighter +20%#E7628F

Lighter +10%#E03670

Darker −10%#991743

Darker −20%#6C1130

Darker −30%#400A1C

Darker −40%#140309

More saturated +25%#E1024E

Less saturated −25%#A93A60

Channel breakdown

R197

G30

B87

Red197 (77.3%)

Green30 (11.8%)

Blue87 (34.1%)

Hue339.52°

Saturation (HSL)73.57%

Lightness44.51%

Dominant channelRed

Hex per channelR C5 · G 1E · B 57

Keep nerding

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

#C51E57

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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