Colour

#C50030

#C50030
Red
Dark
Nearest: Crimson

#C50030 is a red with RGB values 197, 0, 48 and HSL 345°, 100%, 39%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C50030#C50030

HEX#C50030

RGBrgb(197, 0, 48)

RGB (0–1)0.7725, 0, 0.1882

RGB percentages77.3%, 0%, 18.8%

HSLhsl(345.4, 100%, 38.6%)

HSV / HSBhsv(345.4, 100%, 77.3%)

CMYK0%, 100%, 75.6%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,910,640

CSS custom property--colour: #C50030;

Brightness & contrast

Relative luminance0.12084WCAG 2.x, 0 is black and 1 is white

Perceived brightness108.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.15:1

Contrast with white6.15:1WCAG normal text: AA

Contrast with black3.42:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#3AFFCF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F492Fno red cones; affects about 1% of men; ΔE 71.6 from the original

Deuteranopia#7B6F29no green cones; the most common form, about 1% of men; ΔE 71.7 from the original

Tritanopia#D9001Cno blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

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

Contrast with white, large text6.15:1WCAG large text: AAA

Contrast with black, large text3.42:1WCAG large text: AA

Named colours

Crimson · ΔE 7 Firebrick · ΔE 12.1 Brown · ΔE 17.8 Dark red · ΔE 22.3 Maroon · ΔE 25.1 Tomato · ΔE 26.4

Nearest named CSS colourCrimson (#DC143C)ΔE 7, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C595

Analogous#C50093, #C53200

Triadic#30C500, #0030C5

Split complementary#00C532, #0093C5

Tetradic#93C500, #00C595, #3200C5

Tints, shades & saturation

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

Lighter +40%#FF92AD

Lighter +30%#FF5F86

Lighter +20%#FF2C5F

Lighter +10%#F8003C

Darker −10%#920024

Darker −20%#5F0017

Darker −30%#2C000B

Darker −40%#000000

More saturated +25%#C50030

Less saturated −25%#AC193D

Channel breakdown

R197

B48

Red197 (77.3%)

Green0 (0%)

Blue48 (18.8%)

Hue345.38°

Saturation (HSL)100%

Lightness38.63%

Dominant channelRed

Hex per channelR C5 · G 00 · B 30

Keep nerding

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#C50030

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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