Colour

#F81340

#F81340
Red
Dark
Nearest: Crimson

#F81340 is a red with RGB values 248, 19, 64 and HSL 348°, 94%, 52%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F81340#F81340

HEX#F81340

RGBrgb(248, 19, 64)

RGB (0–1)0.9725, 0.0745, 0.251

RGB percentages97.3%, 7.5%, 25.1%

HSLhsl(348.2, 94.2%, 52.4%)

HSV / HSBhsv(348.2, 92.3%, 97.3%)

CMYK0%, 92.3%, 74.2%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,257,856

CSS custom property--colour: #F81340;

Brightness & contrast

Relative luminance0.20792WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.16:1

Contrast with white4.07:1WCAG normal text: Fail

Contrast with black5.16:1WCAG normal text: AA

Greyscale equivalent#474747

Inverted#07ECBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#68603Fno red cones; affects about 1% of men; ΔE 83.4 from the original

Deuteranopia#9D8E37no green cones; the most common form, about 1% of men; ΔE 83.8 from the original

Tritanopia#FF002Bno blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text4.07:1WCAG large text: AA

Contrast with black, large text5.16:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.8 Tomato · ΔE 23.4 Firebrick · ΔE 26 Red · ΔE 28 Orange red · ΔE 31.8 Brown · ΔE 33.4

Nearest named CSS colourCrimson (#DC143C)ΔE 10.75, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#13F8CB

Analogous#F813B2, #F85913

Triadic#40F813, #1340F8

Split complementary#13F859, #13B2F8

Tetradic#B2F813, #13F8CB, #5913F8

Tints, shades & saturation

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

Lighter +40%#FED9E0

Lighter +30%#FCA8B8

Lighter +20%#FB7690

Lighter +10%#F94568

Darker −10%#D2062E

Darker −20%#A00523

Darker −30%#6F0318

Darker −40%#3D020D

More saturated +25%#FF0C3C

Less saturated −25%#DA3152

Channel breakdown

R248

G19

B64

Red248 (97.3%)

Green19 (7.5%)

Blue64 (25.1%)

Hue348.21°

Saturation (HSL)94.24%

Lightness52.35%

Dominant channelRed

Hex per channelR F8 · G 13 · B 40

Keep nerding

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

#F81340

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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