Colour

#C42B2B

#C42B2B
Red
Dark
Nearest: Firebrick

#C42B2B is a red with RGB values 196, 43, 43 and HSL 0°, 64%, 47%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C42B2B#C42B2B

HEX#C42B2B

RGBrgb(196, 43, 43)

RGB (0–1)0.7686, 0.1686, 0.1686

RGB percentages76.9%, 16.9%, 16.9%

HSLhsl(0, 64%, 46.9%)

HSV / HSBhsv(0, 78.1%, 76.9%)

CMYK0%, 78.1%, 78.1%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,856,107

CSS custom property--colour: #C42B2B;

Brightness & contrast

Relative luminance0.13638WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.63:1

Contrast with white5.63:1WCAG normal text: AA

Contrast with black3.73:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#3BD4D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5229no red cones; affects about 1% of men; ΔE 63.5 from the original

Deuteranopia#817324no green cones; the most common form, about 1% of men; ΔE 63.4 from the original

Tritanopia#D8002Dno blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text5.63:1WCAG large text: AAA

Contrast with black, large text3.73:1WCAG large text: AA

Named colours

Firebrick · ΔE 5.6 Crimson · ΔE 13.4 Brown · ΔE 13.7 Dark red · ΔE 17.8 Tomato · ΔE 20.2 Maroon · ΔE 21.2

Nearest named CSS colourFirebrick (#B22222)ΔE 5.56, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2BC4C4

Analogous#C42B77, #C4772B

Triadic#2BC42B, #2B2BC4

Split complementary#2BC477, #2B77C4

Tetradic#77C42B, #2BC4C4, #772BC4

Tints, shades & saturation

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

Lighter +40%#F3C8C8

Lighter +30%#EA9E9E

Lighter +20%#E17474

Lighter +10%#D74B4B

Darker −10%#9A2222

Darker −20%#701919

Darker −30%#470F0F

Darker −40%#1D0606

More saturated +25%#E20D0D

Less saturated −25%#A64949

Channel breakdown

R196

G43

B43

Red196 (76.9%)

Green43 (16.9%)

Blue43 (16.9%)

Hue0°

Saturation (HSL)64.02%

Lightness46.86%

Dominant channelRed

Hex per channelR C4 · G 2B · B 2B

Keep nerding

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

#C42B2B

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

Nerdulate something else