Colour

#F40A51

#F40A51
Red
Dark
Nearest: Crimson

#F40A51 is a red with RGB values 244, 10, 81 and HSL 342°, 92%, 50%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F40A51#F40A51

HEX#F40A51

RGBrgb(244, 10, 81)

RGB (0–1)0.9569, 0.0392, 0.3176

RGB percentages95.7%, 3.9%, 31.8%

HSLhsl(341.8, 92.1%, 49.8%)

HSV / HSBhsv(341.8, 95.9%, 95.7%)

CMYK0%, 95.9%, 66.8%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,993,425

CSS custom property--colour: #F40A51;

Brightness & contrast

Relative luminance0.20044WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.01:1

Contrast with white4.19:1WCAG normal text: Fail

Contrast with black5.01:1WCAG normal text: AA

Greyscale equivalent#414141

Inverted#0BF5AE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635F51no red cones; affects about 1% of men; ΔE 82.8 from the original

Deuteranopia#988B4Ano green cones; the most common form, about 1% of men; ΔE 83.4 from the original

Tritanopia#FF0032no blue cones; rare, and affects men and women equally; ΔE 20.5 from the original

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

Contrast with white, large text4.19:1WCAG large text: AA

Contrast with black, large text5.01:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.7 Firebrick · ΔE 27.8 Tomato · ΔE 29.6 Brown · ΔE 32.4 Indian red · ΔE 34.3 Deep pink · ΔE 34.5

Nearest named CSS colourCrimson (#DC143C)ΔE 10.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0AF4AD

Analogous#F40AC6, #F4380A

Triadic#51F40A, #0A51F4

Split complementary#0AF438, #0AC6F4

Tetradic#C6F40A, #0AF4AD, #380AF4

Tints, shades & saturation

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

Lighter +40%#FDCDDC

Lighter +30%#FB9CB9

Lighter +20%#F96B96

Lighter +10%#F73A73

Darker −10%#C30841

Darker −20%#920630

Darker −30%#610420

Darker −40%#300210

More saturated +25%#FE004D

Less saturated −25%#D42A5D

Channel breakdown

R244

G10

B81

Red244 (95.7%)

Green10 (3.9%)

Blue81 (31.8%)

Hue341.79°

Saturation (HSL)92.13%

Lightness49.8%

Dominant channelRed

Hex per channelR F4 · G 0A · B 51

Keep nerding

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

#F40A51

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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