Recognised as Colour

#CB0022

#CB0022
Red
Dark
Nearest: Crimson

#CB0022 is a red with RGB values 203, 0, 34 and HSL 350°, 100%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CB0022#CB0022

HEX#CB0022

RGBrgb(203, 0, 34)

RGB (0–1)0.7961, 0, 0.1333

RGB percentages79.6%, 0%, 13.3%

HSLhsl(350, 100%, 39.8%)

HSV / HSBhsv(350, 100%, 79.6%)

CMYK0%, 100%, 83.3%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,303,842

CSS custom property--colour: #CB0022;

Brightness & contrast

Relative luminance0.12812WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.89:1

Contrast with white5.89:1WCAG normal text: AA

Contrast with black3.56:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#34FFDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544B20no red cones; affects about 1% of men; ΔE 73 from the original

Deuteranopia#807217no green cones; the most common form, about 1% of men; ΔE 73 from the original

Tritanopia#E00015no blue cones; rare, and affects men and women equally; ΔE 13.3 from the original

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

Contrast with white, large text5.89:1WCAG large text: AAA

Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Crimson · ΔE 10.6 Firebrick · ΔE 13.5 Dark red · ΔE 22.3 Tomato · ΔE 22.5 Brown · ΔE 22.5 Maroon · ΔE 26.5

Nearest named CSS colourCrimson (#DC143C)ΔE 10.6, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CBA9

Analogous#CB0088, #CB4400

Triadic#22CB00, #0022CB

Split complementary#00CB44, #0088CB

Tetradic#87CB00, #00CBA9, #4300CB

Tints, shades & saturation

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

Lighter +40%#FF98A9

Lighter +30%#FF657F

Lighter +20%#FF3254

Lighter +10%#FE002B

Darker −10%#980019

Darker −20%#650011

Darker −30%#320008

Darker −40%#000000

More saturated +25%#CB0022

Less saturated −25%#B21933

Channel breakdown

R203

B34

Red203 (79.6%)

Green0 (0%)

Blue34 (13.3%)

Hue349.95°

Saturation (HSL)100%

Lightness39.8%

Dominant channelRed

Hex per channelR CB · G 00 · B 22

Keep nerding

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

#CB0022

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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