Colour

#F40133

#F40133
Red
Dark
Nearest: Crimson

#F40133 is a red with RGB values 244, 1, 51 and HSL 348°, 99%, 48%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F40133#F40133

HEX#F40133

RGBrgb(244, 1, 51)

RGB (0–1)0.9569, 0.0039, 0.2

RGB percentages95.7%, 0.4%, 20%

HSLhsl(347.7, 99.2%, 48%)

HSV / HSBhsv(347.7, 99.6%, 95.7%)

CMYK0%, 99.6%, 79.1%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,991,091

CSS custom property--colour: #F40133;

Brightness & contrast

Relative luminance0.19494WCAG 2.x, 0 is black and 1 is white

Perceived brightness134.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.9:1

Contrast with white4.29:1WCAG normal text: Fail

Contrast with black4.9:1WCAG normal text: AA

Greyscale equivalent#383838

Inverted#0BFECC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655C31no red cones; affects about 1% of men; ΔE 84.1 from the original

Deuteranopia#9A8A28no green cones; the most common form, about 1% of men; ΔE 83.8 from the original

Tritanopia#FF0020no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text4.29:1WCAG large text: AA

Contrast with black, large text4.9:1WCAG large text: AAA

Named colours

Crimson · ΔE 14 Red · ΔE 22.5 Tomato · ΔE 23.1 Firebrick · ΔE 26.3 Orange red · ΔE 27 Brown · ΔE 34.7

Nearest named CSS colourCrimson (#DC143C)ΔE 14.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01F4C2

Analogous#F401AD, #F44901

Triadic#33F401, #0133F4

Split complementary#01F449, #01ADF4

Tetradic#ACF401, #01F4C2, #4801F4

Tints, shades & saturation

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

Lighter +40%#FFC2CF

Lighter +30%#FF8FA6

Lighter +20%#FE5D7E

Lighter +10%#FE2A56

Darker −10%#C10128

Darker −20%#8E011E

Darker −30%#5C0013

Darker −40%#290009

More saturated +25%#F50032

Less saturated −25%#D52045

Channel breakdown

R244

B51

Red244 (95.7%)

Green1 (0.4%)

Blue51 (20%)

Hue347.65°

Saturation (HSL)99.18%

Lightness48.04%

Dominant channelRed

Hex per channelR F4 · G 01 · B 33

Keep nerding

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

#F40133

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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