Recognised as Colour

#DE0523

#DE0523
Red
Dark
Nearest: Crimson

#DE0523 is a red with RGB values 222, 5, 35 and HSL 352°, 96%, 45%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DE0523#DE0523

HEX#DE0523

RGBrgb(222, 5, 35)

RGB (0–1)0.8706, 0.0196, 0.1373

RGB percentages87.1%, 2%, 13.7%

HSLhsl(351.7, 95.6%, 44.5%)

HSV / HSBhsv(351.7, 97.7%, 87.1%)

CMYK0%, 97.7%, 84.2%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,550,307

CSS custom property--colour: #DE0523;

Brightness & contrast

Relative luminance0.15759WCAG 2.x, 0 is black and 1 is white

Perceived brightness122 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.06:1

Contrast with white5.06:1WCAG normal text: AA

Contrast with black4.15:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#21FADC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5320no red cones; affects about 1% of men; ΔE 77.8 from the original

Deuteranopia#8D7D15no green cones; the most common form, about 1% of men; ΔE 77.3 from the original

Tritanopia#F50019no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original

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

Contrast with white, large text5.06:1WCAG large text: AAA

Contrast with black, large text4.15:1WCAG large text: AA

Named colours

Crimson · ΔE 13.9 Firebrick · ΔE 20.4 Tomato · ΔE 21.1 Red · ΔE 22.3 Orange red · ΔE 24.5 Dark red · ΔE 28.8

Nearest named CSS colourCrimson (#DC143C)ΔE 13.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05DEC0

Analogous#DE058F, #DE5405

Triadic#23DE05, #0523DE

Split complementary#05DE53, #0590DE

Tetradic#8FDE05, #05DEC0, #5405DE

Tints, shades & saturation

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

Lighter +40%#FDB2BC

Lighter +30%#FC8091

Lighter +20%#FB4E66

Lighter +10%#FA1C3B

Darker −10%#AC041B

Darker −20%#7A0313

Darker −30%#48020B

Darker −40%#160104

More saturated +25%#E3001F

Less saturated −25%#C22138

Channel breakdown

R222

B35

Red222 (87.1%)

Green5 (2%)

Blue35 (13.7%)

Hue351.71°

Saturation (HSL)95.59%

Lightness44.51%

Dominant channelRed

Hex per channelR DE · G 05 · B 23

Keep nerding

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

#DE0523

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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