Recognised as Colour

#C52C2A

#C52C2A
Red
Dark
Nearest: Firebrick

#C52C2A is a red with RGB values 197, 44, 42 and HSL 1°, 65%, 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

#C52C2A#C52C2A

HEX#C52C2A

RGBrgb(197, 44, 42)

RGB (0–1)0.7725, 0.1725, 0.1647

RGB percentages77.3%, 17.3%, 16.5%

HSLhsl(0.8, 64.9%, 46.9%)

HSV / HSBhsv(0.8, 78.7%, 77.3%)

CMYK0%, 77.7%, 78.7%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,921,898

CSS custom property--colour: #C52C2A;

Brightness & contrast

Relative luminance0.13839WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.57:1

Contrast with white5.57:1WCAG normal text: AA

Contrast with black3.77:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#3AD3D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5328no red cones; affects about 1% of men; ΔE 63.6 from the original

Deuteranopia#827423no green cones; the most common form, about 1% of men; ΔE 63.5 from the original

Tritanopia#D9002Eno blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

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

Contrast with white, large text5.57:1WCAG large text: AAA

Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Firebrick · ΔE 6 Crimson · ΔE 13.7 Brown · ΔE 14.3 Dark red · ΔE 17.9 Tomato · ΔE 19.5 Maroon · ΔE 21.5

Nearest named CSS colourFirebrick (#B22222)ΔE 5.98, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2AC3C5

Analogous#C52A76, #C5792A

Triadic#2AC52C, #2C2AC5

Split complementary#2AC579, #2A76C5

Tetradic#76C52A, #2AC3C5, #792AC5

Tints, shades & saturation

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

Lighter +40%#F3C8C8

Lighter +30%#EA9F9E

Lighter +20%#E17574

Lighter +10%#D84C4A

Darker −10%#9B2321

Darker −20%#711918

Darker −30%#47100F

Darker −40%#1D0606

More saturated +25%#E30F0C

Less saturated −25%#A74948

Channel breakdown

R197

G44

B42

Red197 (77.3%)

Green44 (17.3%)

Blue42 (16.5%)

Hue0.77°

Saturation (HSL)64.85%

Lightness46.86%

Dominant channelRed

Hex per channelR C5 · G 2C · B 2A

Keep nerding

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

#C52C2A

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