Recognised as Colour

#D4451F

#D4451F
Red
Dark
Nearest: Tomato

#D4451F is a red with RGB values 212, 69, 31 and HSL 13°, 74%, 48%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#D4451F#D4451F

HEX#D4451F

RGBrgb(212, 69, 31)

RGB (0–1)0.8314, 0.2706, 0.1216

RGB percentages83.1%, 27.1%, 12.2%

HSLhsl(12.6, 74.5%, 47.6%)

HSV / HSBhsv(12.6, 85.4%, 83.1%)

CMYK0%, 67.5%, 85.4%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,911,327

CSS custom property--colour: #D4451F;

Brightness & contrast

Relative luminance0.18352WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.67:1

Contrast with white4.5:1WCAG normal text: Fail

Contrast with black4.67:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#2BBAE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6318no red cones; affects about 1% of men; ΔE 60 from the original

Deuteranopia#938216no green cones; the most common form, about 1% of men; ΔE 59.4 from the original

Tritanopia#EA113Eno blue cones; rare, and affects men and women equally; ΔE 25.3 from the original

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

Contrast with white, large text4.5:1WCAG large text: AA

Contrast with black, large text4.67:1WCAG large text: AAA

Named colours

Tomato · ΔE 13.7 Firebrick · ΔE 17.6 Chocolate · ΔE 19.2 Coral · ΔE 20 Orange red · ΔE 23.3 Dark red · ΔE 24.3

Nearest named CSS colourTomato (#FF6347)ΔE 13.68, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FAED4

Analogous#D41F54, #D49F1F

Triadic#1FD445, #451FD4

Split complementary#1FD49F, #1F54D4

Tetradic#54D41F, #1FAED4, #9F1FD4

Tints, shades & saturation

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

Lighter +40%#F7D2C8

Lighter +30%#F0AD9C

Lighter +20%#EA896F

Lighter +10%#E36443

Darker −10%#A83718

Darker −20%#7B2812

Darker −30%#4F1A0B

Darker −40%#220B05

More saturated +25%#F23301

Less saturated −25%#B6573D

Channel breakdown

R212

G69

B31

Red212 (83.1%)

Green69 (27.1%)

Blue31 (12.2%)

Hue12.6°

Saturation (HSL)74.49%

Lightness47.65%

Dominant channelRed

Hex per channelR D4 · G 45 · B 1F

Keep nerding

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

#D4451F

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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