Colour

#E10003

#E10003
Red
Dark
Nearest: Red

#E10003 is a red with RGB values 225, 0, 3 and HSL 359°, 100%, 44%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E10003#E10003

HEX#E10003

RGBrgb(225, 0, 3)

RGB (0–1)0.8824, 0, 0.0118

RGB percentages88.2%, 0%, 1.2%

HSLhsl(359.2, 100%, 44.1%)

HSV / HSBhsv(359.2, 100%, 88.2%)

CMYK0%, 100%, 98.7%, 11.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,745,603

CSS custom property--colour: #E10003;

Brightness & contrast

Relative luminance0.16014WCAG 2.x, 0 is black and 1 is white

Perceived brightness123 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5:1

Contrast with white5:1WCAG normal text: AA

Contrast with black4.2:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#1EFFFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5300no red cones; affects about 1% of men; ΔE 79.1 from the original

Deuteranopia#8F7F00no green cones; the most common form, about 1% of men; ΔE 78.5 from the original

Tritanopia#F9000Cno blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

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

Contrast with white, large text5:1WCAG large text: AAA

Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Red · ΔE 11.8 Orange red · ΔE 14.6 Tomato · ΔE 25.5 Crimson · ΔE 26.7 Firebrick · ΔE 29.3 Dark red · ΔE 34.6

Nearest named CSS colourRed (#FF0000)ΔE 11.81, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E1DE

Analogous#E10073, #E16D00

Triadic#03E100, #0003E1

Split complementary#00E16D, #0073E1

Tetradic#74E100, #00E1DE, #6E00E1

Tints, shades & saturation

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

Lighter +40%#FFAEAF

Lighter +30%#FF7B7D

Lighter +20%#FF484A

Lighter +10%#FF1518

Darker −10%#AE0002

Darker −20%#7B0002

Darker −30%#480001

Darker −40%#150000

More saturated +25%#E10003

Less saturated −25%#C51C1E

Channel breakdown

R225

Red225 (88.2%)

Green0 (0%)

Blue3 (1.2%)

Hue359.2°

Saturation (HSL)100%

Lightness44.12%

Dominant channelRed

Hex per channelR E1 · G 00 · B 03

Keep nerding

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

#E10003

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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