Colour

#FF0343

#FF0343
Red
Dark
Nearest: Crimson

#FF0343 is a red with RGB values 255, 3, 67 and HSL 345°, 100%, 51%. 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

#FF0343#FF0343

HEX#FF0343

RGBrgb(255, 3, 67)

RGB (0–1)1, 0.0118, 0.2627

RGB percentages100%, 1.2%, 26.3%

HSLhsl(344.8, 100%, 50.6%)

HSV / HSBhsv(344.8, 98.8%, 100%)

CMYK0%, 98.8%, 73.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,712,515

CSS custom property--colour: #FF0343;

Brightness & contrast

Relative luminance0.2173WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.35:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.35:1WCAG normal text: AA

Greyscale equivalent#3D3D3D

Inverted#00FCBC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#696142no red cones; affects about 1% of men; ΔE 86.4 from the original

Deuteranopia#A1913Ano green cones; the most common form, about 1% of men; ΔE 86.4 from the original

Tritanopia#FF0029no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.35:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.4 Tomato · ΔE 25.8 Red · ΔE 28.1 Firebrick · ΔE 29.1 Orange red · ΔE 32.9 Brown · ΔE 36.4

Nearest named CSS colourCrimson (#DC143C)ΔE 13.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03FFBF

Analogous#FF03C1, #FF4103

Triadic#43FF03, #0343FF

Split complementary#03FF41, #03C1FF

Tetradic#C1FF03, #03FFBF, #4103FF

Tints, shades & saturation

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

Lighter +40%#FFCFDB

Lighter +30%#FF9CB5

Lighter +20%#FF698F

Lighter +10%#FF3669

Darker −10%#CF0035

Darker −20%#9C0028

Darker −30%#69001B

Darker −40%#36000E

More saturated +25%#FF0343

Less saturated −25%#E02252

Channel breakdown

R255

B67

Red255 (100%)

Green3 (1.2%)

Blue67 (26.3%)

Hue344.76°

Saturation (HSL)100%

Lightness50.59%

Dominant channelRed

Hex per channelR FF · G 03 · B 43

Keep nerding

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#FF0343

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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