Colour

#FF252D

#FF252D
Red
Dark
Nearest: Red

#FF252D is a red with RGB values 255, 37, 45 and HSL 358°, 100%, 57%. 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

#FF252D#FF252D

HEX#FF252D

RGBrgb(255, 37, 45)

RGB (0–1)1, 0.1451, 0.1765

RGB percentages100%, 14.5%, 17.6%

HSLhsl(357.8, 100%, 57.3%)

HSV / HSBhsv(357.8, 85.5%, 100%)

CMYK0%, 85.5%, 82.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,721,197

CSS custom property--colour: #FF252D;

Brightness & contrast

Relative luminance0.22773WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.55:1

Contrast with white3.78:1WCAG normal text: Fail

Contrast with black5.55:1WCAG normal text: AA

Greyscale equivalent#545454

Inverted#00DAD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#71662Ano red cones; affects about 1% of men; ΔE 83.1 from the original

Deuteranopia#A59320no green cones; the most common form, about 1% of men; ΔE 82.4 from the original

Tritanopia#FF002Cno blue cones; rare, and affects men and women equally; ΔE 4.3 from the original

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

Contrast with white, large text3.78:1WCAG large text: AA

Contrast with black, large text5.55:1WCAG large text: AAA

Named colours

Red · ΔE 15.4 Orange red · ΔE 19.1 Tomato · ΔE 21 Crimson · ΔE 21 Firebrick · ΔE 29.8 Coral · ΔE 34

Nearest named CSS colourRed (#FF0000)ΔE 15.43, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25FFF7

Analogous#FF259A, #FF8A25

Triadic#2DFF25, #252DFF

Split complementary#25FF8A, #259AFF

Tetradic#9AFF25, #25FFF7, #8A25FF

Tints, shades & saturation

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

Lighter +40%#FFF1F2

Lighter +30%#FFBEC0

Lighter +20%#FF8B8F

Lighter +10%#FF585E

Darker −10%#F10009

Darker −20%#BE0007

Darker −30%#8B0005

Darker −40%#580003

More saturated +25%#FF252D

Less saturated −25%#E44046

Channel breakdown

R255

G37

B45

Red255 (100%)

Green37 (14.5%)

Blue45 (17.6%)

Hue357.8°

Saturation (HSL)100%

Lightness57.25%

Dominant channelRed

Hex per channelR FF · G 25 · B 2D

Keep nerding

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#FF252D

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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