Recognised as Colour

#DE283C

#DE283C
Red
Dark
Nearest: Crimson

#DE283C is a red with RGB values 222, 40, 60 and HSL 353°, 73%, 51%. 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

#DE283C#DE283C

HEX#DE283C

RGBrgb(222, 40, 60)

RGB (0–1)0.8706, 0.1569, 0.2353

RGB percentages87.1%, 15.7%, 23.5%

HSLhsl(353.4, 73.4%, 51.4%)

HSV / HSBhsv(353.4, 82%, 87.1%)

CMYK0%, 82%, 73%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,559,292

CSS custom property--colour: #DE283C;

Brightness & contrast

Relative luminance0.17373WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.69:1

Contrast with white4.69:1WCAG normal text: AA

Contrast with black4.47:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#21D7C3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635B3Bno red cones; affects about 1% of men; ΔE 72.3 from the original

Deuteranopia#8F8135no green cones; the most common form, about 1% of men; ΔE 72.6 from the original

Tritanopia#F40032no blue cones; rare, and affects men and women equally; ΔE 14.5 from the original

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

Contrast with white, large text4.69:1WCAG large text: AAA

Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Crimson · ΔE 4.2 Firebrick · ΔE 15.4 Tomato · ΔE 19.9 Brown · ΔE 21.8 Indian red · ΔE 27 Dark red · ΔE 27.2

Nearest named CSS colourCrimson (#DC143C)ΔE 4.17, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#28DECA

Analogous#DE2897, #DE6F28

Triadic#3CDE28, #283CDE

Split complementary#28DE6F, #2897DE

Tetradic#97DE28, #28DECA, #6F28DE

Tints, shades & saturation

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

Lighter +40%#F9D9DC

Lighter +30%#F2ADB4

Lighter +20%#EC808C

Lighter +10%#E55464

Darker −10%#B71C2D

Darker −20%#8B1522

Darker −30%#5E0F17

Darker −40%#32080C

More saturated +25%#FD0924

Less saturated −25%#BF4754

Channel breakdown

R222

G40

B60

Red222 (87.1%)

Green40 (15.7%)

Blue60 (23.5%)

Hue353.41°

Saturation (HSL)73.39%

Lightness51.37%

Dominant channelRed

Hex per channelR DE · G 28 · B 3C

Keep nerding

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

#DE283C

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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