Colour

#CA1D04

#CA1D04
Red
Dark
Nearest: Firebrick

#CA1D04 is a red with RGB values 202, 29, 4 and HSL 8°, 96%, 40%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CA1D04#CA1D04

HEX#CA1D04

RGBrgb(202, 29, 4)

RGB (0–1)0.7922, 0.1137, 0.0157

RGB percentages79.2%, 11.4%, 1.6%

HSLhsl(7.6, 96.1%, 40.4%)

HSV / HSBhsv(7.6, 98%, 79.2%)

CMYK0%, 85.6%, 98%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,245,700

CSS custom property--colour: #CA1D04;

Brightness & contrast

Relative luminance0.13444WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.69:1

Contrast with white5.69:1WCAG normal text: AA

Contrast with black3.69:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#35E2FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A4F00no red cones; affects about 1% of men; ΔE 69.2 from the original

Deuteranopia#837400no green cones; the most common form, about 1% of men; ΔE 68.5 from the original

Tritanopia#DF001Cno blue cones; rare, and affects men and women equally; ΔE 10.8 from the original

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

Contrast with white, large text5.69:1WCAG large text: AAA

Contrast with black, large text3.69:1WCAG large text: AA

Named colours

Firebrick · ΔE 19.9 Orange red · ΔE 20 Tomato · ΔE 21.6 Red · ΔE 22.6 Crimson · ΔE 23.5 Dark red · ΔE 24.4

Nearest named CSS colourFirebrick (#B22222)ΔE 19.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04B1CA

Analogous#CA044E, #CA8004

Triadic#04CA1D, #1D04CA

Split complementary#04CA80, #044ECA

Tetradic#4ECA04, #04B1CA, #8004CA

Tints, shades & saturation

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

Lighter +40%#FDA99D

Lighter +30%#FC7D6B

Lighter +20%#FB5139

Lighter +10%#FA2607

Darker −10%#981603

Darker −20%#660F02

Darker −30%#340701

Darker −40%#020000

More saturated +25%#CE1A00

Less saturated −25%#B0301E

Channel breakdown

R202

G29

Red202 (79.2%)

Green29 (11.4%)

Blue4 (1.6%)

Hue7.58°

Saturation (HSL)96.12%

Lightness40.39%

Dominant channelRed

Hex per channelR CA · G 1D · B 04

Keep nerding

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

#CA1D04

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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