Colour

#F71E4E

#F71E4E
Red
Dark
Nearest: Crimson

#F71E4E is a red with RGB values 247, 30, 78 and HSL 347°, 93%, 54%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F71E4E#F71E4E

HEX#F71E4E

RGBrgb(247, 30, 78)

RGB (0–1)0.9686, 0.1176, 0.3059

RGB percentages96.9%, 11.8%, 30.6%

HSLhsl(346.7, 93.1%, 54.3%)

HSV / HSBhsv(346.7, 87.9%, 96.9%)

CMYK0%, 87.9%, 68.4%, 3.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,195,150

CSS custom property--colour: #F71E4E;

Brightness & contrast

Relative luminance0.21253WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.25:1

Contrast with white4:1WCAG normal text: Fail

Contrast with black5.25:1WCAG normal text: AA

Greyscale equivalent#505050

Inverted#08E1B1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#68634Eno red cones; affects about 1% of men; ΔE 81.8 from the original

Deuteranopia#9D8F47no green cones; the most common form, about 1% of men; ΔE 82 from the original

Tritanopia#FF0036no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original

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

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

Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Crimson · ΔE 8.8 Tomato · ΔE 25.7 Firebrick · ΔE 26 Brown · ΔE 31.4 Indian red · ΔE 33.5 Salmon · ΔE 34.7

Nearest named CSS colourCrimson (#DC143C)ΔE 8.84, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EF7C7

Analogous#F71EBB, #F75A1E

Triadic#4EF71E, #1E4EF7

Split complementary#1EF75A, #1EBBF7

Tetradic#BBF71E, #1EF7C7, #5A1EF7

Tints, shades & saturation

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

Lighter +40%#FEE3E9

Lighter +30%#FCB2C2

Lighter +20%#FB809B

Lighter +10%#F94F75

Darker −10%#DA0836

Darker −20%#A9062A

Darker −30%#78041E

Darker −40%#460312

More saturated +25%#FF164A

Less saturated −25%#DA3B5E

Channel breakdown

R247

G30

B78

Red247 (96.9%)

Green30 (11.8%)

Blue78 (30.6%)

Hue346.73°

Saturation (HSL)93.13%

Lightness54.31%

Dominant channelRed

Hex per channelR F7 · G 1E · B 4E

Keep nerding

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

#F71E4E

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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