Recognised as Colour

#D32F2A

#D32F2A
Red
Dark
Nearest: Firebrick

#D32F2A is a red with RGB values 211, 47, 42 and HSL 2°, 67%, 50%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#D32F2A#D32F2A

HEX#D32F2A

RGBrgb(211, 47, 42)

RGB (0–1)0.8275, 0.1843, 0.1647

RGB percentages82.7%, 18.4%, 16.5%

HSLhsl(1.8, 66.8%, 49.6%)

HSV / HSBhsv(1.8, 80.1%, 82.7%)

CMYK0%, 77.7%, 80.1%, 17.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,840,170

CSS custom property--colour: #D32F2A;

Brightness & contrast

Relative luminance0.16049WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.99:1

Contrast with white4.99:1WCAG normal text: AA

Contrast with black4.21:1WCAG normal text: Fail

Greyscale equivalent#525252

Inverted#2CD0D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635927no red cones; affects about 1% of men; ΔE 67.2 from the original

Deuteranopia#8B7C22no green cones; the most common form, about 1% of men; ΔE 67.1 from the original

Tritanopia#E90030no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

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

Contrast with white, large text4.99:1WCAG large text: AAA

Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Firebrick · ΔE 11.6 Crimson · ΔE 13.1 Tomato · ΔE 16.1 Brown · ΔE 20.2 Dark red · ΔE 22.1 Maroon · ΔE 26.3

Nearest named CSS colourFirebrick (#B22222)ΔE 11.58, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2ACED3

Analogous#D32A79, #D3842A

Triadic#2AD32F, #2F2AD3

Split complementary#2AD384, #2A79D3

Tetradic#79D32A, #2ACED3, #842AD3

Tints, shades & saturation

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

Lighter +40%#F6D4D3

Lighter +30%#EEAAA8

Lighter +20%#E5817E

Lighter +10%#DD5753

Darker −10%#A82622

Darker −20%#7E1C19

Darker −30%#531311

Darker −40%#290908

More saturated +25%#F3110A

Less saturated −25%#B34D4A

Channel breakdown

R211

G47

B42

Red211 (82.7%)

Green47 (18.4%)

Blue42 (16.5%)

Hue1.78°

Saturation (HSL)66.8%

Lightness49.61%

Dominant channelRed

Hex per channelR D3 · G 2F · B 2A

Keep nerding

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

#D32F2A

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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