Colour

#C71617

#C71617
Red
Dark
Nearest: Firebrick

#C71617 is a red with RGB values 199, 22, 23 and HSL 360°, 80%, 43%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C71617#C71617

HEX#C71617

RGBrgb(199, 22, 23)

RGB (0–1)0.7804, 0.0863, 0.0902

RGB percentages78%, 8.6%, 9%

HSLhsl(359.7, 80.1%, 43.3%)

HSV / HSBhsv(359.7, 88.9%, 78%)

CMYK0%, 88.9%, 88.4%, 22%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,047,319

CSS custom property--colour: #C71617;

Brightness & contrast

Relative luminance0.12778WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.91:1

Contrast with white5.91:1WCAG normal text: AA

Contrast with black3.56:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#38E9E8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#564C13no red cones; affects about 1% of men; ΔE 69.5 from the original

Deuteranopia#807106no green cones; the most common form, about 1% of men; ΔE 69 from the original

Tritanopia#DC001Bno blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text5.91:1WCAG large text: AAA

Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Firebrick · ΔE 13.5 Crimson · ΔE 16.4 Dark red · ΔE 20.5 Tomato · ΔE 20.8 Brown · ΔE 23.1 Maroon · ΔE 25.3

Nearest named CSS colourFirebrick (#B22222)ΔE 13.53, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16C7C6

Analogous#C7166F, #C76E16

Triadic#17C716, #1617C7

Split complementary#16C76E, #166FC7

Tetradic#6FC716, #16C7C6, #6E16C7

Tints, shades & saturation

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

Lighter +40%#F7B2B3

Lighter +30%#F18585

Lighter +20%#EC5757

Lighter +10%#E7292A

Darker −10%#991112

Darker −20%#6B0C0C

Darker −30%#3D0707

Darker −40%#0F0202

More saturated +25%#DD0001

Less saturated −25%#AB3232

Channel breakdown

R199

G22

B23

Red199 (78%)

Green22 (8.6%)

Blue23 (9%)

Hue359.66°

Saturation (HSL)80.09%

Lightness43.33%

Dominant channelRed

Hex per channelR C7 · G 16 · B 17

Keep nerding

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

#C71617

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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