Colour

#CB421A

#CB421A
Red
Dark
Nearest: Tomato

#CB421A is a red with RGB values 203, 66, 26 and HSL 14°, 77%, 45%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#CB421A#CB421A

HEX#CB421A

RGBrgb(203, 66, 26)

RGB (0–1)0.7961, 0.2588, 0.102

RGB percentages79.6%, 25.9%, 10.2%

HSLhsl(13.6, 77.3%, 44.9%)

HSV / HSBhsv(13.6, 87.2%, 79.6%)

CMYK0%, 67.5%, 87.2%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,320,730

CSS custom property--colour: #CB421A;

Brightness & contrast

Relative luminance0.16668WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.85:1

Contrast with white4.85:1WCAG normal text: AA

Contrast with black4.33:1WCAG normal text: Fail

Greyscale equivalent#5C5C5C

Inverted#34BDE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B5E12no red cones; affects about 1% of men; ΔE 57.3 from the original

Deuteranopia#8C7D10no green cones; the most common form, about 1% of men; ΔE 58.1 from the original

Tritanopia#E0113Bno blue cones; rare, and affects men and women equally; ΔE 25.4 from the original

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

Contrast with white, large text4.85:1WCAG large text: AAA

Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Tomato · ΔE 16 Firebrick · ΔE 16.4 Chocolate · ΔE 18.4 Coral · ΔE 21.1 Dark red · ΔE 22.1 Brown · ΔE 23.2

Nearest named CSS colourTomato (#FF6347)ΔE 16.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AA3CB

Analogous#CB1A4B, #CB9A1A

Triadic#1ACB42, #421ACB

Split complementary#1ACB9A, #1A4BCB

Tetradic#4BCB1A, #1AA3CB, #9A1ACB

Tints, shades & saturation

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

Lighter +40%#F6C8BB

Lighter +30%#F0A48E

Lighter +20%#EB8060

Lighter +10%#E55B33

Darker −10%#9E3314

Darker −20%#71250E

Darker −30%#431609

Darker −40%#160703

More saturated +25%#E53400

Less saturated −25%#AE5237

Channel breakdown

R203

G66

B26

Red203 (79.6%)

Green66 (25.9%)

Blue26 (10.2%)

Hue13.56°

Saturation (HSL)77.29%

Lightness44.9%

Dominant channelRed

Hex per channelR CB · G 42 · B 1A

Keep nerding

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

#CB421A

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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