Colour

#FF4547

#FF4547
Red
Dark
Nearest: Tomato

#FF4547 is a red with RGB values 255, 69, 71 and HSL 359°, 100%, 64%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF4547#FF4547

HEX#FF4547

RGBrgb(255, 69, 71)

RGB (0–1)1, 0.2706, 0.2784

RGB percentages100%, 27.1%, 27.8%

HSLhsl(359.4, 100%, 63.5%)

HSV / HSBhsv(359.4, 72.9%, 100%)

CMYK0%, 72.9%, 72.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,729,415

CSS custom property--colour: #FF4547;

Brightness & contrast

Relative luminance0.25971WCAG 2.x, 0 is black and 1 is white

Perceived brightness151 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.19:1

Contrast with white3.39:1WCAG normal text: Fail

Contrast with black6.19:1WCAG normal text: AA

Greyscale equivalent#6D6D6D

Inverted#00BAB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7C7245no red cones; affects about 1% of men; ΔE 74.6 from the original

Deuteranopia#AA9A40no green cones; the most common form, about 1% of men; ΔE 75 from the original

Tritanopia#FF0048no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original

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

Contrast with white, large text3.39:1WCAG large text: AA

Contrast with black, large text6.19:1WCAG large text: AAA

Named colours

Tomato · ΔE 13 Crimson · ΔE 13.7 Firebrick · ΔE 23.5 Coral · ΔE 26.3 Orange red · ΔE 27.3 Red · ΔE 28.1

Nearest named CSS colourTomato (#FF6347)ΔE 13.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45FFFD

Analogous#FF45A4, #FFA045

Triadic#47FF45, #4547FF

Split complementary#45FFA0, #45A4FF

Tetradic#A4FF45, #45FFFD, #A045FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDEDE

Lighter +20%#FFABAC

Lighter +10%#FF7879

Darker −10%#FF1215

Darker −20%#DE0002

Darker −30%#AB0002

Darker −40%#780001

More saturated +25%#FF4547

Less saturated −25%#E85C5E

Channel breakdown

R255

G69

B71

Red255 (100%)

Green69 (27.1%)

Blue71 (27.8%)

Hue359.35°

Saturation (HSL)100%

Lightness63.53%

Dominant channelRed

Hex per channelR FF · G 45 · B 47

Keep nerding

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#FF4547

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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