Recognised as Colour

#D40F31

#D40F31
Red
Dark
Nearest: Crimson

#D40F31 is a red with RGB values 212, 15, 49 and HSL 350°, 87%, 45%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D40F31#D40F31

HEX#D40F31

RGBrgb(212, 15, 49)

RGB (0–1)0.8314, 0.0588, 0.1922

RGB percentages83.1%, 5.9%, 19.2%

HSLhsl(349.6, 86.8%, 44.5%)

HSV / HSBhsv(349.6, 92.9%, 83.1%)

CMYK0%, 92.9%, 76.9%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,897,521

CSS custom property--colour: #D40F31;

Brightness & contrast

Relative luminance0.1456WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.37:1

Contrast with white5.37:1WCAG normal text: AA

Contrast with black3.91:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#2BF0CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#595130no red cones; affects about 1% of men; ΔE 73.9 from the original

Deuteranopia#867829no green cones; the most common form, about 1% of men; ΔE 73.9 from the original

Tritanopia#EA0022no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

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

Contrast with white, large text5.37:1WCAG large text: AAA

Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Crimson · ΔE 4.6 Firebrick · ΔE 14.5 Brown · ΔE 21.9 Tomato · ΔE 22.4 Dark red · ΔE 25.1 Maroon · ΔE 28.7

Nearest named CSS colourCrimson (#DC143C)ΔE 4.64, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FD4B2

Analogous#D40F93, #D44F0F

Triadic#31D40F, #0F31D4

Split complementary#0FD450, #0F93D4

Tetradic#94D40F, #0FD4B2, #500FD4

Tints, shades & saturation

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

Lighter +40%#FAB5C1

Lighter +30%#F68699

Lighter +20%#F35671

Lighter +10%#F02649

Darker −10%#A40C26

Darker −20%#75081B

Darker −30%#450510

Darker −40%#150205

More saturated +25%#E30027

Less saturated −25%#B82B44

Channel breakdown

R212

G15

B49

Red212 (83.1%)

Green15 (5.9%)

Blue49 (19.2%)

Hue349.64°

Saturation (HSL)86.78%

Lightness44.51%

Dominant channelRed

Hex per channelR D4 · G 0F · B 31

Keep nerding

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

#D40F31

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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