Colour

#CA2500

#CA2500
Red
Dark
Nearest: Orange red

#CA2500 is a red with RGB values 202, 37, 0 and HSL 11°, 100%, 40%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#CA2500#CA2500

HEX#CA2500

RGBrgb(202, 37, 0)

RGB (0–1)0.7922, 0.1451, 0

RGB percentages79.2%, 14.5%, 0%

HSLhsl(11, 100%, 39.6%)

HSV / HSBhsv(11, 100%, 79.2%)

CMYK0%, 81.7%, 100%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,247,744

CSS custom property--colour: #CA2500;

Brightness & contrast

Relative luminance0.1388WCAG 2.x, 0 is black and 1 is white

Perceived brightness114 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.56:1

Contrast with white5.56:1WCAG normal text: AA

Contrast with black3.78:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#35DAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5100no red cones; affects about 1% of men; ΔE 67.2 from the original

Deuteranopia#857500no green cones; the most common form, about 1% of men; ΔE 66.3 from the original

Tritanopia#DF0021no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original

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

Contrast with white, large text5.56:1WCAG large text: AAA

Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Orange red · ΔE 19 Firebrick · ΔE 20.9 Tomato · ΔE 21.4 Red · ΔE 23 Dark red · ΔE 24.8 Crimson · ΔE 25.5

Nearest named CSS colourOrange red (#FF4500)ΔE 19.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A5CA

Analogous#CA0040, #CA8A00

Triadic#00CA25, #2500CA

Split complementary#00CA8A, #0040CA

Tetradic#40CA00, #00A5CA, #8A00CA

Tints, shades & saturation

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

Lighter +40%#FFAA97

Lighter +30%#FF8064

Lighter +20%#FF5731

Lighter +10%#FD2E00

Darker −10%#971C00

Darker −20%#641200

Darker −30%#310900

Darker −40%#000000

More saturated +25%#CA2500

Less saturated −25%#B13519

Channel breakdown

R202

G37

Red202 (79.2%)

Green37 (14.5%)

Blue0 (0%)

Hue10.99°

Saturation (HSL)100%

Lightness39.61%

Dominant channelRed

Hex per channelR CA · G 25 · B 00

Keep nerding

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#CA2500

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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