Colour

#C10017

#C10017
Red
Dark
Nearest: Firebrick

#C10017 is a red with RGB values 193, 0, 23 and HSL 353°, 100%, 38%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C10017#C10017

HEX#C10017

RGBrgb(193, 0, 23)

RGB (0–1)0.7569, 0, 0.0902

RGB percentages75.7%, 0%, 9%

HSLhsl(352.8, 100%, 37.8%)

HSV / HSBhsv(352.8, 100%, 75.7%)

CMYK0%, 100%, 88.1%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,648,471

CSS custom property--colour: #C10017;

Brightness & contrast

Relative luminance0.11399WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.4:1

Contrast with white6.4:1WCAG normal text: AA

Contrast with black3.28:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#3EFFE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504614no red cones; affects about 1% of men; ΔE 70.1 from the original

Deuteranopia#7A6C07no green cones; the most common form, about 1% of men; ΔE 70.1 from the original

Tritanopia#D50010no blue cones; rare, and affects men and women equally; ΔE 10.2 from the original

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

Contrast with white, large text6.4:1WCAG large text: AAA

Contrast with black, large text3.28:1WCAG large text: AA

Named colours

Firebrick · ΔE 12.3 Crimson · ΔE 14.9 Dark red · ΔE 19.2 Brown · ΔE 21.8 Tomato · ΔE 23.2 Maroon · ΔE 23.9

Nearest named CSS colourFirebrick (#B22222)ΔE 12.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C1AA

Analogous#C10078, #C14900

Triadic#17C100, #0017C1

Split complementary#00C14A, #0077C1

Tetradic#78C100, #00C1AA, #4900C1

Tints, shades & saturation

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

Lighter +40%#FF8E9B

Lighter +30%#FF5B6F

Lighter +20%#FF2842

Lighter +10%#F4001D

Darker −10%#8E0011

Darker −20%#5B000B

Darker −30%#280005

Darker −40%#000000

More saturated +25%#C10017

Less saturated −25%#A91829

Channel breakdown

R193

B23

Red193 (75.7%)

Green0 (0%)

Blue23 (9%)

Hue352.85°

Saturation (HSL)100%

Lightness37.84%

Dominant channelRed

Hex per channelR C1 · G 00 · B 17

Keep nerding

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

#C10017

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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