Colour

#CB012A

#CB012A
Red
Dark
Nearest: Crimson

#CB012A is a red with RGB values 203, 1, 42 and HSL 348°, 99%, 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

#CB012A#CB012A

HEX#CB012A

RGBrgb(203, 1, 42)

RGB (0–1)0.7961, 0.0039, 0.1647

RGB percentages79.6%, 0.4%, 16.5%

HSLhsl(347.8, 99%, 40%)

HSV / HSBhsv(347.8, 99.5%, 79.6%)

CMYK0%, 99.5%, 79.3%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,304,106

CSS custom property--colour: #CB012A;

Brightness & contrast

Relative luminance0.12885WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.87:1

Contrast with white5.87:1WCAG normal text: AA

Contrast with black3.58:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#34FED5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#534B29no red cones; affects about 1% of men; ΔE 72.9 from the original

Deuteranopia#807221no green cones; the most common form, about 1% of men; ΔE 72.7 from the original

Tritanopia#E0001Ano blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

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

Contrast with white, large text5.87:1WCAG large text: AAA

Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Crimson · ΔE 7.1 Firebrick · ΔE 12.6 Brown · ΔE 20.6 Dark red · ΔE 22.6 Tomato · ΔE 23.5 Maroon · ΔE 26.3

Nearest named CSS colourCrimson (#DC143C)ΔE 7.08, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01CBA2

Analogous#CB018F, #CB3D01

Triadic#2ACB01, #012ACB

Split complementary#01CB3D, #018FCB

Tetradic#8FCB01, #01CBA2, #3D01CB

Tints, shades & saturation

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

Lighter +40%#FF9AAE

Lighter +30%#FE6786

Lighter +20%#FE345D

Lighter +10%#FE0135

Darker −10%#980120

Darker −20%#660015

Darker −30%#33000B

Darker −40%#000000

More saturated +25%#CC0029

Less saturated −25%#B21A39

Channel breakdown

R203

B42

Red203 (79.6%)

Green1 (0.4%)

Blue42 (16.5%)

Hue347.82°

Saturation (HSL)99.02%

Lightness40%

Dominant channelRed

Hex per channelR CB · G 01 · B 2A

Keep nerding

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

#CB012A

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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