Recognised as Colour

#E40027

#E40027
Red
Dark
Nearest: Crimson

#E40027 is a red with RGB values 228, 0, 39 and HSL 350°, 100%, 45%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E40027#E40027

HEX#E40027

RGBrgb(228, 0, 39)

RGB (0–1)0.8941, 0, 0.1529

RGB percentages89.4%, 0%, 15.3%

HSLhsl(349.7, 100%, 44.7%)

HSV / HSBhsv(349.7, 100%, 89.4%)

CMYK0%, 100%, 82.9%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,942,247

CSS custom property--colour: #E40027;

Brightness & contrast

Relative luminance0.1664WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.4 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#333333

Inverted#1BFFD8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5525no red cones; affects about 1% of men; ΔE 79.8 from the original

Deuteranopia#90811Ano green cones; the most common form, about 1% of men; ΔE 80 from the original

Tritanopia#FC0019no blue cones; rare, and affects men and women equally; ΔE 14.5 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 13.7 Tomato · ΔE 21.7 Red · ΔE 21.9 Firebrick · ΔE 22.2 Orange red · ΔE 25 Dark red · ΔE 30.9

Nearest named CSS colourCrimson (#DC143C)ΔE 13.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E4BD

Analogous#E40099, #E44B00

Triadic#27E400, #0027E4

Split complementary#00E44B, #0099E4

Tetradic#99E400, #00E4BD, #4B00E4

Tints, shades & saturation

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

Lighter +40%#FFB1BE

Lighter +30%#FF7E94

Lighter +20%#FF4B6A

Lighter +10%#FF1840

Darker −10%#B1001E

Darker −20%#7E0016

Darker −30%#4B000D

Darker −40%#180004

More saturated +25%#E40027

Less saturated −25%#C81C3A

Channel breakdown

R228

B39

Red228 (89.4%)

Green0 (0%)

Blue39 (15.3%)

Hue349.74°

Saturation (HSL)100%

Lightness44.71%

Dominant channelRed

Hex per channelR E4 · G 00 · B 27

Keep nerding

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

#E40027

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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