Colour

#FF3934

#FF3934
Red
Dark
Nearest: Tomato

#FF3934 is a red with RGB values 255, 57, 52 and HSL 1°, 100%, 60%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF3934#FF3934

HEX#FF3934

RGBrgb(255, 57, 52)

RGB (0–1)1, 0.2235, 0.2039

RGB percentages100%, 22.4%, 20.4%

HSLhsl(1.5, 100%, 60.2%)

HSV / HSBhsv(1.5, 79.6%, 100%)

CMYK0%, 77.6%, 79.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,726,324

CSS custom property--colour: #FF3934;

Brightness & contrast

Relative luminance0.24434WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.89:1

Contrast with white3.57:1WCAG normal text: Fail

Contrast with black5.89:1WCAG normal text: AA

Greyscale equivalent#636363

Inverted#00C6CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#786C31no red cones; affects about 1% of men; ΔE 78.1 from the original

Deuteranopia#A9972Ano green cones; the most common form, about 1% of men; ΔE 78 from the original

Tritanopia#FF003Bno blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

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

Contrast with white, large text3.57:1WCAG large text: AA

Contrast with black, large text5.89:1WCAG large text: AAA

Named colours

Tomato · ΔE 15.9 Red · ΔE 18.9 Orange red · ΔE 19.2 Crimson · ΔE 19.2 Firebrick · ΔE 27 Coral · ΔE 29.1

Nearest named CSS colourTomato (#FF6347)ΔE 15.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#34FAFF

Analogous#FF3495, #FF9F34

Triadic#34FF39, #3934FF

Split complementary#34FF9F, #3495FF

Tetradic#94FF34, #34FAFF, #9E34FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFCECD

Lighter +20%#FF9C9A

Lighter +10%#FF6B67

Darker −10%#FF0701

Darker −20%#CD0500

Darker −30%#9A0400

Darker −40%#670300

More saturated +25%#FF3934

Less saturated −25%#E6514D

Channel breakdown

R255

G57

B52

Red255 (100%)

Green57 (22.4%)

Blue52 (20.4%)

Hue1.48°

Saturation (HSL)100%

Lightness60.2%

Dominant channelRed

Hex per channelR FF · G 39 · B 34

Keep nerding

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#FF3934

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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