Colour

#C9000F

#C9000F
Red
Dark
Nearest: Firebrick

#C9000F is a red with RGB values 201, 0, 15 and HSL 356°, 100%, 39%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C9000F#C9000F

HEX#C9000F

RGBrgb(201, 0, 15)

RGB (0–1)0.7882, 0, 0.0588

RGB percentages78.8%, 0%, 5.9%

HSLhsl(355.5, 100%, 39.4%)

HSV / HSBhsv(355.5, 100%, 78.8%)

CMYK0%, 100%, 92.5%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,172,751

CSS custom property--colour: #C9000F;

Brightness & contrast

Relative luminance0.12452WCAG 2.x, 0 is black and 1 is white

Perceived brightness110 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.02:1

Contrast with white6.02:1WCAG normal text: AA

Contrast with black3.49:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#36FFF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544909no red cones; affects about 1% of men; ΔE 72.2 from the original

Deuteranopia#7F7100no green cones; the most common form, about 1% of men; ΔE 72.5 from the original

Tritanopia#DE000Eno blue cones; rare, and affects men and women equally; ΔE 8.6 from the original

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

Contrast with white, large text6.02:1WCAG large text: AAA

Contrast with black, large text3.49:1WCAG large text: AA

Named colours

Firebrick · ΔE 17.7 Crimson · ΔE 18.6 Tomato · ΔE 22.8 Dark red · ΔE 23.4 Red · ΔE 23.6 Orange red · ΔE 23.8

Nearest named CSS colourFirebrick (#B22222)ΔE 17.69, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C9BA

Analogous#C90074, #C95500

Triadic#0FC900, #000FC9

Split complementary#00C956, #0074C9

Tetradic#74C900, #00C9BA, #5500C9

Tints, shades & saturation

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

Lighter +40%#FF969E

Lighter +30%#FF636F

Lighter +20%#FF303F

Lighter +10%#FC0013

Darker −10%#96000B

Darker −20%#630007

Darker −30%#300004

Darker −40%#000000

More saturated +25%#C9000F

Less saturated −25%#B01924

Channel breakdown

R201

B15

Red201 (78.8%)

Green0 (0%)

Blue15 (5.9%)

Hue355.52°

Saturation (HSL)100%

Lightness39.41%

Dominant channelRed

Hex per channelR C9 · G 00 · B 0F

Keep nerding

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

#C9000F

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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