Colour

#FF5323

#FF5323
Red
Dark
Nearest: Orange red

#FF5323 is a red with RGB values 255, 83, 35 and HSL 13°, 100%, 57%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF5323#FF5323

HEX#FF5323

RGBrgb(255, 83, 35)

RGB (0–1)1, 0.3255, 0.1373

RGB percentages100%, 32.5%, 13.7%

HSLhsl(13.1, 100%, 56.9%)

HSV / HSBhsv(13.1, 86.3%, 100%)

CMYK0%, 67.5%, 86.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,732,963

CSS custom property--colour: #FF5323;

Brightness & contrast

Relative luminance0.27568WCAG 2.x, 0 is black and 1 is white

Perceived brightness153.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.51:1

Contrast with white3.22:1WCAG normal text: Fail

Contrast with black6.51:1WCAG normal text: AA

Greyscale equivalent#747474

Inverted#00ACDC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#867719no red cones; affects about 1% of men; ΔE 69.3 from the original

Deuteranopia#B19D16no green cones; the most common form, about 1% of men; ΔE 69.1 from the original

Tritanopia#FF0F4Bno blue cones; rare, and affects men and women equally; ΔE 31.5 from the original

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

Contrast with white, large text3.22:1WCAG large text: AA

Contrast with black, large text6.51:1WCAG large text: AAA

Named colours

Orange red · ΔE 9.6 Tomato · ΔE 15.5 Red · ΔE 19.1 Coral · ΔE 23.6 Chocolate · ΔE 26.7 Crimson · ΔE 30.8

Nearest named CSS colourOrange red (#FF4500)ΔE 9.62, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#23CFFF

Analogous#FF2361, #FFC123

Triadic#23FF53, #5323FF

Split complementary#23FFC1, #2361FF

Tetradic#61FF23, #23CFFF, #C123FF

Tints, shades & saturation

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

Lighter +40%#FFF2EF

Lighter +30%#FFCBBC

Lighter +20%#FFA389

Lighter +10%#FF7B56

Darker −10%#EF3400

Darker −20%#BC2900

Darker −30%#891E00

Darker −40%#561300

More saturated +25%#FF5323

Less saturated −25%#E3623E

Channel breakdown

R255

G83

B35

Red255 (100%)

Green83 (32.5%)

Blue35 (13.7%)

Hue13.09°

Saturation (HSL)100%

Lightness56.86%

Dominant channelRed

Hex per channelR FF · G 53 · B 23

Keep nerding

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#FF5323

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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