Colour

#D43921

#D43921
Red
Dark
Nearest: Tomato

#D43921 is a red with RGB values 212, 57, 33 and HSL 8°, 73%, 48%. 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

#D43921#D43921

HEX#D43921

RGBrgb(212, 57, 33)

RGB (0–1)0.8314, 0.2235, 0.1294

RGB percentages83.1%, 22.4%, 12.9%

HSLhsl(8, 73.1%, 48%)

HSV / HSBhsv(8, 84.4%, 83.1%)

CMYK0%, 73.1%, 84.4%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,908,257

CSS custom property--colour: #D43921;

Brightness & contrast

Relative luminance0.17033WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.77:1

Contrast with white4.77:1WCAG normal text: AA

Contrast with black4.41:1WCAG normal text: Fail

Greyscale equivalent#585858

Inverted#2BC6DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#695D1Cno red cones; affects about 1% of men; ΔE 64 from the original

Deuteranopia#8F7F17no green cones; the most common form, about 1% of men; ΔE 64.2 from the original

Tritanopia#EA0035no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

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

Contrast with white, large text4.77:1WCAG large text: AAA

Contrast with black, large text4.41:1WCAG large text: AA

Named colours

Tomato · ΔE 14.2 Firebrick · ΔE 15 Crimson · ΔE 19.6 Dark red · ΔE 23.1 Brown · ΔE 23.4 Coral · ΔE 23.4

Nearest named CSS colourTomato (#FF6347)ΔE 14.21, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#21BCD4

Analogous#D42162, #D49321

Triadic#21D439, #3921D4

Split complementary#21D493, #2162D4

Tetradic#62D421, #21BCD4, #9321D4

Tints, shades & saturation

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

Lighter +40%#F7D0CA

Lighter +30%#F0A99E

Lighter +20%#E98272

Lighter +10%#E25B46

Darker −10%#A82D1A

Darker −20%#7C2113

Darker −30%#50150C

Darker −40%#230A06

More saturated +25%#F32302

Less saturated −25%#B54F40

Channel breakdown

R212

G57

B33

Red212 (83.1%)

Green57 (22.4%)

Blue33 (12.9%)

Hue8.04°

Saturation (HSL)73.06%

Lightness48.04%

Dominant channelRed

Hex per channelR D4 · G 39 · B 21

Keep nerding

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

#D43921

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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