Recognised as Colour

#DF2939

#DF2939
Red
Dark
Nearest: Crimson

#DF2939 is a red with RGB values 223, 41, 57 and HSL 355°, 74%, 52%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DF2939#DF2939

HEX#DF2939

RGBrgb(223, 41, 57)

RGB (0–1)0.8745, 0.1608, 0.2235

RGB percentages87.5%, 16.1%, 22.4%

HSLhsl(354.7, 74%, 51.8%)

HSV / HSBhsv(354.7, 81.6%, 87.5%)

CMYK0%, 81.6%, 74.4%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,625,081

CSS custom property--colour: #DF2939;

Brightness & contrast

Relative luminance0.17569WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.65:1

Contrast with white4.65:1WCAG normal text: AA

Contrast with black4.51:1WCAG normal text: AA

Greyscale equivalent#515151

Inverted#20D6C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645C38no red cones; affects about 1% of men; ΔE 72.7 from the original

Deuteranopia#908232no green cones; the most common form, about 1% of men; ΔE 72.8 from the original

Tritanopia#F60031no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original

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

Contrast with white, large text4.65:1WCAG large text: AAA

Contrast with black, large text4.51:1WCAG large text: AAA

Named colours

Crimson · ΔE 5.6 Firebrick · ΔE 15.3 Tomato · ΔE 18.6 Brown · ΔE 22.5 Dark red · ΔE 26.9 Indian red · ΔE 28

Nearest named CSS colourCrimson (#DC143C)ΔE 5.63, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29DFCF

Analogous#DF2994, #DF7429

Triadic#39DF29, #2939DF

Split complementary#29DF74, #2994DF

Tetradic#94DF29, #29DFCF, #7429DF

Tints, shades & saturation

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

Lighter +40%#FADADD

Lighter +30%#F3AEB4

Lighter +20%#EC828B

Lighter +10%#E65562

Darker −10%#B91C2A

Darker −20%#8D1520

Darker −30%#610E16

Darker −40%#34080C

More saturated +25%#FE0A20

Less saturated −25%#C04852

Channel breakdown

R223

G41

B57

Red223 (87.5%)

Green41 (16.1%)

Blue57 (22.4%)

Hue354.73°

Saturation (HSL)73.98%

Lightness51.76%

Dominant channelRed

Hex per channelR DF · G 29 · B 39

Keep nerding

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

#DF2939

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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