Colour

#FF4F57

#FF4F57
Red
Dark
Nearest: Crimson

#FF4F57 is a red with RGB values 255, 79, 87 and HSL 357°, 100%, 65%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF4F57#FF4F57

HEX#FF4F57

RGBrgb(255, 79, 87)

RGB (0–1)1, 0.3098, 0.3412

RGB percentages100%, 31%, 34.1%

HSLhsl(357.3, 100%, 65.5%)

HSV / HSBhsv(357.3, 69%, 100%)

CMYK0%, 69%, 65.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,731,991

CSS custom property--colour: #FF4F57;

Brightness & contrast

Relative luminance0.2754WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.51:1

Contrast with white3.23:1WCAG normal text: Fail

Contrast with black6.51:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#00B0A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#807756no red cones; affects about 1% of men; ΔE 70.8 from the original

Deuteranopia#AC9D52no green cones; the most common form, about 1% of men; ΔE 71.6 from the original

Tritanopia#FF1754no blue cones; rare, and affects men and women equally; ΔE 15 from the original

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

Contrast with white, large text3.23:1WCAG large text: AA

Contrast with black, large text6.51:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.2 Tomato · ΔE 15 Firebrick · ΔE 23.2 Salmon · ΔE 23.3 Indian red · ΔE 25.7 Coral · ΔE 26.1

Nearest named CSS colourCrimson (#DC143C)ΔE 13.21, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4FFFF7

Analogous#FF4FAF, #FF9F4F

Triadic#57FF4F, #4F57FF

Split complementary#4FFF9F, #4FAFFF

Tetradic#AFFF4F, #4FFFF7, #9F4FFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE8E9

Lighter +20%#FFB5B8

Lighter +10%#FF8288

Darker −10%#FF1C26

Darker −20%#E8000B

Darker −30%#B50008

Darker −40%#820006

More saturated +25%#FF4F57

Less saturated −25%#E9656B

Channel breakdown

R255

G79

B87

Red255 (100%)

Green79 (31%)

Blue87 (34.1%)

Hue357.27°

Saturation (HSL)100%

Lightness65.49%

Dominant channelRed

Hex per channelR FF · G 4F · B 57

Keep nerding

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

#FF4F57

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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