Colour

#DF2223

#DF2223
Red
Dark
Nearest: Crimson

#DF2223 is a red with RGB values 223, 34, 35 and HSL 360°, 75%, 50%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DF2223#DF2223

HEX#DF2223

RGBrgb(223, 34, 35)

RGB (0–1)0.8745, 0.1333, 0.1373

RGB percentages87.5%, 13.3%, 13.7%

HSLhsl(359.7, 74.7%, 50.4%)

HSV / HSBhsv(359.7, 84.8%, 87.5%)

CMYK0%, 84.8%, 84.3%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,623,267

CSS custom property--colour: #DF2223;

Brightness & contrast

Relative luminance0.16953WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.78:1

Contrast with white4.78:1WCAG normal text: AA

Contrast with black4.39:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#20DDDC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#63581Fno red cones; affects about 1% of men; ΔE 74 from the original

Deuteranopia#908116no green cones; the most common form, about 1% of men; ΔE 74.5 from the original

Tritanopia#F60026no blue cones; rare, and affects men and women equally; ΔE 10.9 from the original

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

Contrast with white, large text4.78:1WCAG large text: AAA

Contrast with black, large text4.39:1WCAG large text: AA

Named colours

Crimson · ΔE 15.5 Tomato · ΔE 17.8 Firebrick · ΔE 19.2 Orange red · ΔE 22.2 Red · ΔE 22.2 Dark red · ΔE 27.8

Nearest named CSS colourCrimson (#DC143C)ΔE 15.52, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22DFDE

Analogous#DF2281, #DF8022

Triadic#23DF22, #2223DF

Split complementary#22DF80, #2281DF

Tetradic#81DF22, #22DFDE, #8022DF

Tints, shades & saturation

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

Lighter +40%#F9D4D4

Lighter +30%#F2A8A8

Lighter +20%#EC7B7C

Lighter +10%#E54F4F

Darker −10%#B41A1B

Darker −20%#871414

Darker −30%#5B0D0E

Darker −40%#2E0707

More saturated +25%#FF0204

Less saturated −25%#BF4242

Channel breakdown

R223

G34

B35

Red223 (87.5%)

Green34 (13.3%)

Blue35 (13.7%)

Hue359.68°

Saturation (HSL)74.7%

Lightness50.39%

Dominant channelRed

Hex per channelR DF · G 22 · B 23

Keep nerding

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

#DF2223

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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