Colour

#C40440

#C40440
Red
Dark
Nearest: Crimson

#C40440 is a red with RGB values 196, 4, 64 and HSL 341°, 96%, 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

#C40440#C40440

HEX#C40440

RGBrgb(196, 4, 64)

RGB (0–1)0.7686, 0.0157, 0.251

RGB percentages76.9%, 1.6%, 25.1%

HSLhsl(341.3, 96%, 39.2%)

HSV / HSBhsv(341.3, 98%, 76.9%)

CMYK0%, 98%, 67.3%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,846,144

CSS custom property--colour: #C40440;

Brightness & contrast

Relative luminance0.12193WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.11:1

Contrast with white6.11:1WCAG normal text: AA

Contrast with black3.44:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#3BFBBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D4A40no red cones; affects about 1% of men; ΔE 70.5 from the original

Deuteranopia#796F3Bno green cones; the most common form, about 1% of men; ΔE 71.1 from the original

Tritanopia#D80026no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original

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

Contrast with white, large text6.11:1WCAG large text: AAA

Contrast with black, large text3.44:1WCAG large text: AA

Named colours

Crimson · ΔE 12.4 Firebrick · ΔE 18.3 Brown · ΔE 19.1 Indian red · ΔE 25.1 Dark red · ΔE 27.5 Maroon · ΔE 28.8

Nearest named CSS colourCrimson (#DC143C)ΔE 12.37, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C488

Analogous#C404A0, #C42804

Triadic#40C404, #0440C4

Split complementary#04C428, #04A0C4

Tetradic#A0C404, #04C488, #2804C4

Tints, shades & saturation

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

Lighter +40%#FD97B7

Lighter +30%#FC6594

Lighter +20%#FB3372

Lighter +10%#F60550

Darker −10%#920330

Darker −20%#60021F

Darker −30%#2E010F

Darker −40%#000000

More saturated +25%#C8003F

Less saturated −25%#AB1D49

Channel breakdown

R196

B64

Red196 (76.9%)

Green4 (1.6%)

Blue64 (25.1%)

Hue341.25°

Saturation (HSL)96%

Lightness39.22%

Dominant channelRed

Hex per channelR C4 · G 04 · B 40

Keep nerding

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

#C40440

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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