Recognised as Colour

#C90D28

#C90D28
Red
Dark
Nearest: Crimson

#C90D28 is a red with RGB values 201, 13, 40 and HSL 351°, 88%, 42%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C90D28#C90D28

HEX#C90D28

RGBrgb(201, 13, 40)

RGB (0–1)0.7882, 0.051, 0.1569

RGB percentages78.8%, 5.1%, 15.7%

HSLhsl(351.4, 87.9%, 42%)

HSV / HSBhsv(351.4, 93.5%, 78.8%)

CMYK0%, 93.5%, 80.1%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,176,104

CSS custom property--colour: #C90D28;

Brightness & contrast

Relative luminance0.12859WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.88:1

Contrast with white5.88:1WCAG normal text: AA

Contrast with black3.57:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#36F2D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544C27no red cones; affects about 1% of men; ΔE 71.4 from the original

Deuteranopia#7F721Fno green cones; the most common form, about 1% of men; ΔE 71.5 from the original

Tritanopia#DE001Dno blue cones; rare, and affects men and women equally; ΔE 13.2 from the original

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

Contrast with white, large text5.88:1WCAG large text: AAA

Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Crimson · ΔE 8.6 Firebrick · ΔE 11.1 Brown · ΔE 19.4 Dark red · ΔE 21.2 Tomato · ΔE 22.6 Maroon · ΔE 25

Nearest named CSS colourCrimson (#DC143C)ΔE 8.57, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0DC9AE

Analogous#C90D86, #C9500D

Triadic#28C90D, #0D28C9

Split complementary#0DC950, #0D86C9

Tetradic#86C90D, #0DC9AE, #500DC9

Tints, shades & saturation

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

Lighter +40%#F9A9B4

Lighter +30%#F6798B

Lighter +20%#F34961

Lighter +10%#F01938

Darker −10%#990A1E

Darker −20%#690715

Darker −30%#39040B

Darker −40%#090102

More saturated +25%#D6001F

Less saturated −25%#AE283B

Channel breakdown

R201

G13

B40

Red201 (78.8%)

Green13 (5.1%)

Blue40 (15.7%)

Hue351.38°

Saturation (HSL)87.85%

Lightness41.96%

Dominant channelRed

Hex per channelR C9 · G 0D · B 28

Keep nerding

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

#C90D28

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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