Colour

#FF1143

#FF1143
Red
Dark
Nearest: Crimson

#FF1143 is a red with RGB values 255, 17, 67 and HSL 347°, 100%, 53%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF1143#FF1143

HEX#FF1143

RGBrgb(255, 17, 67)

RGB (0–1)1, 0.0667, 0.2627

RGB percentages100%, 6.7%, 26.3%

HSLhsl(347.4, 100%, 53.3%)

HSV / HSBhsv(347.4, 93.3%, 100%)

CMYK0%, 93.3%, 73.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,716,099

CSS custom property--colour: #FF1143;

Brightness & contrast

Relative luminance0.22066WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.41:1

Contrast with white3.88:1WCAG normal text: Fail

Contrast with black5.41:1WCAG normal text: AA

Greyscale equivalent#474747

Inverted#00EEBC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B6342no red cones; affects about 1% of men; ΔE 85.5 from the original

Deuteranopia#A2923Ano green cones; the most common form, about 1% of men; ΔE 85.5 from the original

Tritanopia#FF002Cno blue cones; rare, and affects men and women equally; ΔE 12 from the original

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

Contrast with white, large text3.88:1WCAG large text: AA

Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Crimson · ΔE 13 Tomato · ΔE 24.6 Red · ΔE 27.7 Firebrick · ΔE 28.5 Orange red · ΔE 32.1 Brown · ΔE 35.7

Nearest named CSS colourCrimson (#DC143C)ΔE 12.96, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11FFCD

Analogous#FF11BA, #FF5611

Triadic#43FF11, #1143FF

Split complementary#11FF56, #11BAFF

Tetradic#BAFF11, #11FFCD, #5611FF

Tints, shades & saturation

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

Lighter +40%#FFDDE4

Lighter +30%#FFAABC

Lighter +20%#FF7794

Lighter +10%#FF446B

Darker −10%#DD002E

Darker −20%#AA0024

Darker −30%#770019

Darker −40%#44000E

More saturated +25%#FF1143

Less saturated −25%#E12F54

Channel breakdown

R255

G17

B67

Red255 (100%)

Green17 (6.7%)

Blue67 (26.3%)

Hue347.39°

Saturation (HSL)100%

Lightness53.33%

Dominant channelRed

Hex per channelR FF · G 11 · B 43

Keep nerding

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#FF1143

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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