Colour

#F31D59

#F31D59
Red
Dark
Nearest: Crimson

#F31D59 is a red with RGB values 243, 29, 89 and HSL 343°, 90%, 53%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F31D59#F31D59

HEX#F31D59

RGBrgb(243, 29, 89)

RGB (0–1)0.9529, 0.1137, 0.349

RGB percentages95.3%, 11.4%, 34.9%

HSLhsl(343.2, 89.9%, 53.3%)

HSV / HSBhsv(343.2, 88.1%, 95.3%)

CMYK0%, 88.1%, 63.4%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,932,761

CSS custom property--colour: #F31D59;

Brightness & contrast

Relative luminance0.20655WCAG 2.x, 0 is black and 1 is white

Perceived brightness138 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.13:1

Contrast with white4.09:1WCAG normal text: Fail

Contrast with black5.13:1WCAG normal text: AA

Greyscale equivalent#4F4F4F

Inverted#0CE2A6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#656259no red cones; affects about 1% of men; ΔE 80.1 from the original

Deuteranopia#998C53no green cones; the most common form, about 1% of men; ΔE 80.6 from the original

Tritanopia#FF003Bno blue cones; rare, and affects men and women equally; ΔE 20 from the original

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

Contrast with white, large text4.09:1WCAG large text: AA

Contrast with black, large text5.13:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.4 Firebrick · ΔE 28.2 Tomato · ΔE 30.8 Deep pink · ΔE 31 Brown · ΔE 31.5 Indian red · ΔE 31.9

Nearest named CSS colourCrimson (#DC143C)ΔE 12.43, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DF3B7

Analogous#F31DC4, #F34C1D

Triadic#59F31D, #1D59F3

Split complementary#1DF34C, #1DC4F3

Tetradic#C4F31D, #1DF3B7, #4C1DF3

Tints, shades & saturation

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

Lighter +40%#FDDFE7

Lighter +30%#FBAEC4

Lighter +20%#F87EA0

Lighter +10%#F64D7D

Darker −10%#D20B43

Darker −20%#A10933

Darker −30%#710624

Darker −40%#410315

More saturated +25%#FF1154

Less saturated −25%#D53B66

Channel breakdown

R243

G29

B89

Red243 (95.3%)

Green29 (11.4%)

Blue89 (34.9%)

Hue343.18°

Saturation (HSL)89.92%

Lightness53.33%

Dominant channelRed

Hex per channelR F3 · G 1D · B 59

Keep nerding

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

#F31D59

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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