Colour

#FF282B

#FF282B
Red
Dark
Nearest: Red

#FF282B is a red with RGB values 255, 40, 43 and HSL 359°, 100%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF282B#FF282B

HEX#FF282B

RGBrgb(255, 40, 43)

RGB (0–1)1, 0.1569, 0.1686

RGB percentages100%, 15.7%, 16.9%

HSLhsl(359.2, 100%, 57.8%)

HSV / HSBhsv(359.2, 84.3%, 100%)

CMYK0%, 84.3%, 83.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,721,963

CSS custom property--colour: #FF282B;

Brightness & contrast

Relative luminance0.22952WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.59:1

Contrast with white3.76:1WCAG normal text: Fail

Contrast with black5.59:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#00D7D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726627no red cones; affects about 1% of men; ΔE 82.2 from the original

Deuteranopia#A6941Dno green cones; the most common form, about 1% of men; ΔE 82 from the original

Tritanopia#FF002Dno blue cones; rare, and affects men and women equally; ΔE 5.5 from the original

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

Contrast with white, large text3.76:1WCAG large text: AA

Contrast with black, large text5.59:1WCAG large text: AAA

Named colours

Red · ΔE 14.5 Orange red · ΔE 17.8 Tomato · ΔE 20.7 Crimson · ΔE 22 Firebrick · ΔE 30.1 Coral · ΔE 33.5

Nearest named CSS colourRed (#FF0000)ΔE 14.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#28FFFC

Analogous#FF2897, #FF9128

Triadic#2BFF28, #282BFF

Split complementary#28FF91, #2897FF

Tetradic#96FF28, #28FFFC, #9028FF

Tints, shades & saturation

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

Lighter +40%#FFF4F4

Lighter +30%#FFC1C2

Lighter +20%#FF8E90

Lighter +10%#FF5B5D

Darker −10%#F40003

Darker −20%#C10003

Darker −30%#8E0002

Darker −40%#5B0001

More saturated +25%#FF282B

Less saturated −25%#E44345

Channel breakdown

R255

G40

B43

Red255 (100%)

Green40 (15.7%)

Blue43 (16.9%)

Hue359.16°

Saturation (HSL)100%

Lightness57.84%

Dominant channelRed

Hex per channelR FF · G 28 · B 2B

Keep nerding

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#FF282B

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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