Colour

#C40042

#C40042
Red
Dark
Nearest: Crimson

#C40042 is a red with RGB values 196, 0, 66 and HSL 340°, 100%, 38%. 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

#C40042#C40042

HEX#C40042

RGBrgb(196, 0, 66)

RGB (0–1)0.7686, 0, 0.2588

RGB percentages76.9%, 0%, 25.9%

HSLhsl(339.8, 100%, 38.4%)

HSV / HSBhsv(339.8, 100%, 76.9%)

CMYK0%, 100%, 66.3%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,845,122

CSS custom property--colour: #C40042;

Brightness & contrast

Relative luminance0.12129WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.13:1

Contrast with white6.13:1WCAG normal text: AA

Contrast with black3.43:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#3BFFBD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4A42no red cones; affects about 1% of men; ΔE 71 from the original

Deuteranopia#796E3Dno green cones; the most common form, about 1% of men; ΔE 70.9 from the original

Tritanopia#D80026no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original

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

Contrast with white, large text6.13:1WCAG large text: AAA

Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Crimson · ΔE 13.5 Firebrick · ΔE 19.6 Brown · ΔE 20.1 Indian red · ΔE 25.6 Dark red · ΔE 28.7 Maroon · ΔE 29.8

Nearest named CSS colourCrimson (#DC143C)ΔE 13.46, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C482

Analogous#C400A4, #C42000

Triadic#42C400, #0042C4

Split complementary#00C420, #00A4C4

Tetradic#A4C400, #00C482, #2000C4

Tints, shades & saturation

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

Lighter +40%#FF91B6

Lighter +30%#FF5E94

Lighter +20%#FF2B72

Lighter +10%#F70053

Darker −10%#910031

Darker −20%#5E0020

Darker −30%#2B000E

Darker −40%#000000

More saturated +25%#C40042

Less saturated −25%#AC184A

Channel breakdown

R196

B66

Red196 (76.9%)

Green0 (0%)

Blue66 (25.9%)

Hue339.8°

Saturation (HSL)100%

Lightness38.43%

Dominant channelRed

Hex per channelR C4 · G 00 · B 42

Keep nerding

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

#C40042

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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