Colour

#D4121C

#D4121C
Red
Dark
Nearest: Crimson

#D4121C is a red with RGB values 212, 18, 28 and HSL 357°, 84%, 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

#D4121C#D4121C

HEX#D4121C

RGBrgb(212, 18, 28)

RGB (0–1)0.8314, 0.0706, 0.1098

RGB percentages83.1%, 7.1%, 11%

HSLhsl(356.9, 84.3%, 45.1%)

HSV / HSBhsv(356.9, 91.5%, 83.1%)

CMYK0%, 91.5%, 86.8%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,898,268

CSS custom property--colour: #D4121C;

Brightness & contrast

Relative luminance0.14514WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.38:1

Contrast with white5.38:1WCAG normal text: AA

Contrast with black3.9:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#2BEDE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5118no red cones; affects about 1% of men; ΔE 73.9 from the original

Deuteranopia#88780Cno green cones; the most common form, about 1% of men; ΔE 73.1 from the original

Tritanopia#EA001Bno blue cones; rare, and affects men and women equally; ΔE 9.8 from the original

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

Contrast with white, large text5.38:1WCAG large text: AAA

Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Crimson · ΔE 15.4 Firebrick · ΔE 17.5 Tomato · ΔE 20.3 Red · ΔE 23.5 Orange red · ΔE 23.9 Dark red · ΔE 25.2

Nearest named CSS colourCrimson (#DC143C)ΔE 15.44, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12D4CA

Analogous#D4127D, #D46912

Triadic#1CD412, #121CD4

Split complementary#12D469, #127DD4

Tetradic#7DD412, #12D4CA, #6912D4

Tints, shades & saturation

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

Lighter +40%#F9B9BC

Lighter +30%#F58A8F

Lighter +20%#F15B63

Lighter +10%#ED2C36

Darker −10%#A50E16

Darker −20%#760A10

Darker −30%#470609

Darker −40%#180203

More saturated +25%#E6000C

Less saturated −25%#B72F36

Channel breakdown

R212

G18

B28

Red212 (83.1%)

Green18 (7.1%)

Blue28 (11%)

Hue356.91°

Saturation (HSL)84.35%

Lightness45.1%

Dominant channelRed

Hex per channelR D4 · G 12 · B 1C

Keep nerding

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

#D4121C

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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