Recognised as Colour

#E02803

#E02803
Red
Dark
Nearest: Orange red

#E02803 is a red with RGB values 224, 40, 3 and HSL 10°, 97%, 45%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E02803#E02803

HEX#E02803

RGBrgb(224, 40, 3)

RGB (0–1)0.8784, 0.1569, 0.0118

RGB percentages87.8%, 15.7%, 1.2%

HSLhsl(10, 97.4%, 44.5%)

HSV / HSBhsv(10, 98.7%, 87.8%)

CMYK0%, 82.1%, 98.7%, 12.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,690,307

CSS custom property--colour: #E02803;

Brightness & contrast

Relative luminance0.17371WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.69:1

Contrast with white4.69:1WCAG normal text: AA

Contrast with black4.47:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#1FD7FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675A00no red cones; affects about 1% of men; ΔE 73 from the original

Deuteranopia#938200no green cones; the most common form, about 1% of men; ΔE 72.4 from the original

Tritanopia#F70025no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original

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

Contrast with white, large text4.69:1WCAG large text: AAA

Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Orange red · ΔE 12 Red · ΔE 15.2 Tomato · ΔE 21.8 Firebrick · ΔE 27.5 Crimson · ΔE 27.6 Chocolate · ΔE 31.2

Nearest named CSS colourOrange red (#FF4500)ΔE 12.03, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03BBE0

Analogous#E0034C, #E09703

Triadic#03E028, #2803E0

Split complementary#03E097, #034CE0

Tetradic#4CE003, #03BBE0, #9703E0

Tints, shades & saturation

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

Lighter +40%#FEBEB1

Lighter +30%#FD947F

Lighter +20%#FD6A4C

Lighter +10%#FC401A

Darker −10%#AE1F02

Darker −20%#7B1602

Darker −30%#490D01

Darker −40%#170400

More saturated +25%#E32600

Less saturated −25%#C43B1F

Channel breakdown

R224

G40

Red224 (87.8%)

Green40 (15.7%)

Blue3 (1.2%)

Hue10.05°

Saturation (HSL)97.36%

Lightness44.51%

Dominant channelRed

Hex per channelR E0 · G 28 · B 03

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#E02803

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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