Colour

#FC4937

#FC4937
Red
Dark
Nearest: Tomato

#FC4937 is a red with RGB values 252, 73, 55 and HSL 5°, 97%, 60%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FC4937#FC4937

HEX#FC4937

RGBrgb(252, 73, 55)

RGB (0–1)0.9882, 0.2863, 0.2157

RGB percentages98.8%, 28.6%, 21.6%

HSLhsl(5.5, 97%, 60.2%)

HSV / HSBhsv(5.5, 78.2%, 98.8%)

CMYK0%, 71%, 78.2%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,533,815

CSS custom property--colour: #FC4937;

Brightness & contrast

Relative luminance0.25736WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.15:1

Contrast with white3.42:1WCAG normal text: Fail

Contrast with black6.15:1WCAG normal text: AA

Greyscale equivalent#6E6E6E

Inverted#03B6C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F7233no red cones; affects about 1% of men; ΔE 71.9 from the original

Deuteranopia#AB992Fno green cones; the most common form, about 1% of men; ΔE 72.1 from the original

Tritanopia#FF0047no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original

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

Contrast with white, large text3.42:1WCAG large text: AA

Contrast with black, large text6.15:1WCAG large text: AAA

Named colours

Tomato · ΔE 10.2 Orange red · ΔE 19.2 Crimson · ΔE 20 Red · ΔE 22.6 Coral · ΔE 23.2 Firebrick · ΔE 24.7

Nearest named CSS colourTomato (#FF6347)ΔE 10.23, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37EAFC

Analogous#FC3788, #FCAC37

Triadic#37FC49, #4937FC

Split complementary#37FCAC, #3788FC

Tetradic#88FC37, #37EAFC, #AB37FC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FED2CE

Lighter +20%#FEA49B

Lighter +10%#FD7769

Darker −10%#FB1B05

Darker −20%#CA1503

Darker −30%#981002

Darker −40%#650B02

More saturated +25%#FF4734

Less saturated −25%#E35E50

Channel breakdown

R252

G73

B55

Red252 (98.8%)

Green73 (28.6%)

Blue55 (21.6%)

Hue5.48°

Saturation (HSL)97.04%

Lightness60.2%

Dominant channelRed

Hex per channelR FC · G 49 · B 37

Keep nerding

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

#FC4937

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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