Colour

#C90504

#C90504
Red
Dark
Nearest: Firebrick

#C90504 is a red with RGB values 201, 5, 4 and HSL 0°, 96%, 40%. 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

#C90504#C90504

HEX#C90504

RGBrgb(201, 5, 4)

RGB (0–1)0.7882, 0.0196, 0.0157

RGB percentages78.8%, 2%, 1.6%

HSLhsl(0.3, 96.1%, 40.2%)

HSV / HSBhsv(0.3, 98%, 78.8%)

CMYK0%, 97.5%, 98%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,174,020

CSS custom property--colour: #C90504;

Brightness & contrast

Relative luminance0.12535WCAG 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 5.99:1

Contrast with white5.99:1WCAG normal text: AA

Contrast with black3.51:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#36FAFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554A00no red cones; affects about 1% of men; ΔE 72 from the original

Deuteranopia#807100no green cones; the most common form, about 1% of men; ΔE 71.4 from the original

Tritanopia#DE000Dno blue cones; rare, and affects men and women equally; ΔE 7.4 from the original

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

Contrast with white, large text5.99:1WCAG large text: AAA

Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Firebrick · ΔE 20.4 Orange red · ΔE 21 Red · ΔE 21.5 Crimson · ΔE 22.3 Tomato · ΔE 23.5 Dark red · ΔE 24.9

Nearest named CSS colourFirebrick (#B22222)ΔE 20.4, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C8C9

Analogous#C90465, #C96704

Triadic#04C905, #0504C9

Split complementary#04C967, #0466C9

Tetradic#66C904, #04C8C9, #6704C9

Tints, shades & saturation

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

Lighter +40%#FD9C9C

Lighter +30%#FC6B6A

Lighter +20%#FB3938

Lighter +10%#FA0706

Darker −10%#970403

Darker −20%#650302

Darker −30%#330101

Darker −40%#010000

More saturated +25%#CD0100

Less saturated −25%#AF1E1E

Channel breakdown

R201

Red201 (78.8%)

Green5 (2%)

Blue4 (1.6%)

Hue0.3°

Saturation (HSL)96.1%

Lightness40.2%

Dominant channelRed

Hex per channelR C9 · G 05 · B 04

Keep nerding

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

#C90504

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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