Colour

#E3003D

#E3003D
Red
Dark
Nearest: Crimson

#E3003D is a red with RGB values 227, 0, 61 and HSL 344°, 100%, 45%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E3003D#E3003D

HEX#E3003D

RGBrgb(227, 0, 61)

RGB (0–1)0.8902, 0, 0.2392

RGB percentages89%, 0%, 23.9%

HSLhsl(343.9, 100%, 44.5%)

HSV / HSBhsv(343.9, 100%, 89%)

CMYK0%, 100%, 73.1%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,876,733

CSS custom property--colour: #E3003D;

Brightness & contrast

Relative luminance0.16668WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.85:1

Contrast with white4.85:1WCAG normal text: AA

Contrast with black4.33:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#1CFFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C563Dno red cones; affects about 1% of men; ΔE 79.6 from the original

Deuteranopia#8E8035no green cones; the most common form, about 1% of men; ΔE 79.4 from the original

Tritanopia#FA0024no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original

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

Contrast with white, large text4.85:1WCAG large text: AAA

Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Crimson · ΔE 3.8 Firebrick · ΔE 20.8 Tomato · ΔE 25.1 Brown · ΔE 27.2 Dark red · ΔE 31.5 Indian red · ΔE 32.6

Nearest named CSS colourCrimson (#DC143C)ΔE 3.77, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E3A6

Analogous#E300AE, #E33500

Triadic#3DE300, #003DE3

Split complementary#00E334, #00AEE3

Tetradic#AEE300, #00E3A6, #3500E3

Tints, shades & saturation

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

Lighter +40%#FFB0C5

Lighter +30%#FF7DA0

Lighter +20%#FF4A7B

Lighter +10%#FF1755

Darker −10%#B0002F

Darker −20%#7D0022

Darker −30%#4A0014

Darker −40%#170006

More saturated +25%#E3003D

Less saturated −25%#C71C4A

Channel breakdown

R227

B61

Red227 (89%)

Green0 (0%)

Blue61 (23.9%)

Hue343.88°

Saturation (HSL)100%

Lightness44.51%

Dominant channelRed

Hex per channelR E3 · G 00 · B 3D

Keep nerding

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

#E3003D

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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