Recognised as Colour

#D42F17

#D42F17
Red
Dark
Nearest: Tomato

#D42F17 is a red with RGB values 212, 47, 23 and HSL 8°, 80%, 46%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#D42F17#D42F17

HEX#D42F17

RGBrgb(212, 47, 23)

RGB (0–1)0.8314, 0.1843, 0.0902

RGB percentages83.1%, 18.4%, 9%

HSLhsl(7.6, 80.4%, 46.1%)

HSV / HSBhsv(7.6, 89.2%, 83.1%)

CMYK0%, 77.8%, 89.2%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,905,687

CSS custom property--colour: #D42F17;

Brightness & contrast

Relative luminance0.16092WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.98:1

Contrast with white4.98:1WCAG normal text: AA

Contrast with black4.22:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#2BD0E8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645810no red cones; affects about 1% of men; ΔE 67.3 from the original

Deuteranopia#8D7D06no green cones; the most common form, about 1% of men; ΔE 67.4 from the original

Tritanopia#EA002Cno blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

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

Contrast with white, large text4.98:1WCAG large text: AAA

Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Tomato · ΔE 16.8 Firebrick · ΔE 17.9 Orange red · ΔE 20.3 Crimson · ΔE 20.9 Red · ΔE 24.1 Dark red · ΔE 24.7

Nearest named CSS colourTomato (#FF6347)ΔE 16.81, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17BCD4

Analogous#D4175E, #D48D17

Triadic#17D42F, #2F17D4

Split complementary#17D48D, #175ED4

Tetradic#5ED417, #17BCD4, #8D17D4

Tints, shades & saturation

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

Lighter +40%#F8C6BF

Lighter +30%#F39D91

Lighter +20%#EE7563

Lighter +10%#E94C35

Darker −10%#A62512

Darker −20%#781B0D

Darker −30%#4A1008

Darker −40%#1C0603

More saturated +25%#EB1E00

Less saturated −25%#B74534

Channel breakdown

R212

G47

B23

Red212 (83.1%)

Green47 (18.4%)

Blue23 (9%)

Hue7.62°

Saturation (HSL)80.43%

Lightness46.08%

Dominant channelRed

Hex per channelR D4 · G 2F · B 17

Keep nerding

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

#D42F17

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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