Colour

#DC0121

#DC0121
Red
Dark
Nearest: Crimson

#DC0121 is a red with RGB values 220, 1, 33 and HSL 351°, 99%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DC0121#DC0121

HEX#DC0121

RGBrgb(220, 1, 33)

RGB (0–1)0.8627, 0.0039, 0.1294

RGB percentages86.3%, 0.4%, 12.9%

HSLhsl(351.2, 99.1%, 43.3%)

HSV / HSBhsv(351.2, 99.5%, 86.3%)

CMYK0%, 99.5%, 85%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,418,209

CSS custom property--colour: #DC0121;

Brightness & contrast

Relative luminance0.15347WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.16:1

Contrast with white5.16:1WCAG normal text: AA

Contrast with black4.07:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#23FEDE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C521Eno red cones; affects about 1% of men; ΔE 77.6 from the original

Deuteranopia#8B7C13no green cones; the most common form, about 1% of men; ΔE 77.5 from the original

Tritanopia#F30016no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

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

Contrast with white, large text5.16:1WCAG large text: AAA

Contrast with black, large text4.07:1WCAG large text: AA

Named colours

Crimson · ΔE 14.3 Firebrick · ΔE 20.2 Tomato · ΔE 21.5 Red · ΔE 22.2 Orange red · ΔE 24.4 Dark red · ΔE 28.4

Nearest named CSS colourCrimson (#DC143C)ΔE 14.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01DCBC

Analogous#DC018F, #DC4F01

Triadic#21DC01, #0121DC

Split complementary#01DC4F, #018EDC

Tetradic#8EDC01, #01DCBC, #4F01DC

Tints, shades & saturation

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

Lighter +40%#FFAAB7

Lighter +30%#FE788B

Lighter +20%#FE4560

Lighter +10%#FE1235

Darker −10%#A90119

Darker −20%#760112

Darker −30%#44000A

Darker −40%#110003

More saturated +25%#DD0020

Less saturated −25%#C01D35

Channel breakdown

R220

B33

Red220 (86.3%)

Green1 (0.4%)

Blue33 (12.9%)

Hue351.23°

Saturation (HSL)99.1%

Lightness43.33%

Dominant channelRed

Hex per channelR DC · G 01 · B 21

Keep nerding

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

#DC0121

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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