Colour

#FF2541

#FF2541
Red
Dark
Nearest: Crimson

#FF2541 is a red with RGB values 255, 37, 65 and HSL 352°, 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 Crimson.

Colour values

#FF2541#FF2541

HEX#FF2541

RGBrgb(255, 37, 65)

RGB (0–1)1, 0.1451, 0.2549

RGB percentages100%, 14.5%, 25.5%

HSLhsl(352.3, 100%, 57.3%)

HSV / HSBhsv(352.3, 85.5%, 100%)

CMYK0%, 85.5%, 74.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,721,217

CSS custom property--colour: #FF2541;

Brightness & contrast

Relative luminance0.22965WCAG 2.x, 0 is black and 1 is white

Perceived brightness144 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.59:1

Contrast with white3.75:1WCAG normal text: Fail

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

Greyscale equivalent#555555

Inverted#00DABE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706740no red cones; affects about 1% of men; ΔE 82.7 from the original

Deuteranopia#A49438no green cones; the most common form, about 1% of men; ΔE 83 from the original

Tritanopia#FF0033no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

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

Contrast with white, large text3.75:1WCAG large text: AA

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

Named colours

Crimson · ΔE 13 Tomato · ΔE 21.2 Red · ΔE 25.7 Firebrick · ΔE 26.9 Orange red · ΔE 29 Brown · ΔE 34.5

Nearest named CSS colourCrimson (#DC143C)ΔE 13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25FFE3

Analogous#FF25AE, #FF7625

Triadic#41FF25, #2541FF

Split complementary#25FF76, #25AEFF

Tetradic#AEFF25, #25FFE3, #7625FF

Tints, shades & saturation

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

Lighter +40%#FFF1F3

Lighter +30%#FFBEC6

Lighter +20%#FF8B9A

Lighter +10%#FF586D

Darker −10%#F1001F

Darker −20%#BE0018

Darker −30%#8B0012

Darker −40%#58000B

More saturated +25%#FF2541

Less saturated −25%#E44055

Channel breakdown

R255

G37

B65

Red255 (100%)

Green37 (14.5%)

Blue65 (25.5%)

Hue352.29°

Saturation (HSL)100%

Lightness57.25%

Dominant channelRed

Hex per channelR FF · G 25 · B 41

Keep nerding

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#FF2541

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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