Colour

#FF512E

#FF512E
Red
Dark
Nearest: Tomato

#FF512E is a red with RGB values 255, 81, 46 and HSL 10°, 100%, 59%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF512E#FF512E

HEX#FF512E

RGBrgb(255, 81, 46)

RGB (0–1)1, 0.3176, 0.1804

RGB percentages100%, 31.8%, 18%

HSLhsl(10, 100%, 59%)

HSV / HSBhsv(10, 82%, 100%)

CMYK0%, 68.2%, 82%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,732,462

CSS custom property--colour: #FF512E;

Brightness & contrast

Relative luminance0.27342WCAG 2.x, 0 is black and 1 is white

Perceived brightness153.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.47:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.47:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#00AED1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#857628no red cones; affects about 1% of men; ΔE 69.7 from the original

Deuteranopia#B09D25no green cones; the most common form, about 1% of men; ΔE 70.2 from the original

Tritanopia#FF074Bno blue cones; rare, and affects men and women equally; ΔE 27.6 from the original

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

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.47:1WCAG large text: AAA

Named colours

Tomato · ΔE 11.7 Orange red · ΔE 13.7 Red · ΔE 20.4 Coral · ΔE 22.1 Crimson · ΔE 26.3 Chocolate · ΔE 27.4

Nearest named CSS colourTomato (#FF6347)ΔE 11.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2EDCFF

Analogous#FF2E73, #FFBA2E

Triadic#2EFF51, #512EFF

Split complementary#2EFFB9, #2E74FF

Tetradic#73FF2E, #2EDCFF, #B92EFF

Tints, shades & saturation

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

Lighter +40%#FFFBFA

Lighter +30%#FFD0C7

Lighter +20%#FFA694

Lighter +10%#FF7B61

Darker −10%#FA2A00

Darker −20%#C72100

Darker −30%#941900

Darker −40%#611000

More saturated +25%#FF512E

Less saturated −25%#E56248

Channel breakdown

R255

G81

B46

Red255 (100%)

Green81 (31.8%)

Blue46 (18%)

Hue10.05°

Saturation (HSL)100%

Lightness59.02%

Dominant channelRed

Hex per channelR FF · G 51 · B 2E

Keep nerding

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#FF512E

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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