Colour

#ED4603

#ED4603
Orange
Dark
Nearest: Orange red

#ED4603 is a orange with RGB values 237, 70, 3 and HSL 17°, 98%, 47%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#ED4603#ED4603

HEX#ED4603

RGBrgb(237, 70, 3)

RGB (0–1)0.9294, 0.2745, 0.0118

RGB percentages92.9%, 27.5%, 1.2%

HSLhsl(17.2, 97.5%, 47.1%)

HSV / HSBhsv(17.2, 98.7%, 92.9%)

CMYK0%, 70.5%, 98.7%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,549,955

CSS custom property--colour: #ED4603;

Brightness & contrast

Relative luminance0.22391WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.48:1

Contrast with white3.83:1WCAG normal text: Fail

Contrast with black5.48:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#12B9FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6A00no red cones; affects about 1% of men; ΔE 67.5 from the original

Deuteranopia#A29000no green cones; the most common form, about 1% of men; ΔE 67.9 from the original

Tritanopia#FF003Dno blue cones; rare, and affects men and women equally; ΔE 29.7 from the original

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

Contrast with white, large text3.83:1WCAG large text: AA

Contrast with black, large text5.48:1WCAG large text: AAA

Named colours

Orange red · ΔE 7.8 Red · ΔE 18.4 Tomato · ΔE 20.5 Chocolate · ΔE 26.2 Coral · ΔE 27.3 Dark orange · ΔE 31.1

Nearest named CSS colourOrange red (#FF4500)ΔE 7.78, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03AAED

Analogous#ED0335, #EDBB03

Triadic#03ED46, #4603ED

Split complementary#03EDBB, #0335ED

Tetradic#35ED03, #03AAED, #BB03ED

Tints, shades & saturation

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

Lighter +40%#FED0BE

Lighter +30%#FEAC8B

Lighter +20%#FD8859

Lighter +10%#FC6427

Darker −10%#BB3702

Darker −20%#882802

Darker −30%#561901

Darker −40%#240A00

More saturated +25%#F04500

Less saturated −25%#CF5321

Channel breakdown

R237

G70

Red237 (92.9%)

Green70 (27.5%)

Blue3 (1.2%)

Hue17.18°

Saturation (HSL)97.5%

Lightness47.06%

Dominant channelRed

Hex per channelR ED · G 46 · B 03

Keep nerding

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#ED4603

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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