Recognised as Colour

#E40016

#E40016
Red
Dark
Nearest: Red

#E40016 is a red with RGB values 228, 0, 22 and HSL 354°, 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 Red.

Colour values

#E40016#E40016

HEX#E40016

RGBrgb(228, 0, 22)

RGB (0–1)0.8941, 0, 0.0863

RGB percentages89.4%, 0%, 8.6%

HSLhsl(354.2, 100%, 44.7%)

HSV / HSBhsv(354.2, 100%, 89.4%)

CMYK0%, 100%, 90.4%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,942,230

CSS custom property--colour: #E40016;

Brightness & contrast

Relative luminance0.16552WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.31:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#1BFFE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605411no red cones; affects about 1% of men; ΔE 79.5 from the original

Deuteranopia#918000no green cones; the most common form, about 1% of men; ΔE 79.1 from the original

Tritanopia#FC0012no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Red · ΔE 14.9 Orange red · ΔE 18.3 Crimson · ΔE 21.4 Tomato · ΔE 23.1 Firebrick · ΔE 26.2 Dark red · ΔE 33

Nearest named CSS colourRed (#FF0000)ΔE 14.94, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E4CE

Analogous#E40088, #E45C00

Triadic#16E400, #0016E4

Split complementary#00E45C, #0088E4

Tetradic#88E400, #00E4CE, #5C00E4

Tints, shades & saturation

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

Lighter +40%#FFB1B9

Lighter +30%#FF7E8A

Lighter +20%#FF4B5C

Lighter +10%#FF182E

Darker −10%#B10011

Darker −20%#7E000C

Darker −30%#4B0007

Darker −40%#180002

More saturated +25%#E40016

Less saturated −25%#C81C2D

Channel breakdown

R228

B22

Red228 (89.4%)

Green0 (0%)

Blue22 (8.6%)

Hue354.21°

Saturation (HSL)100%

Lightness44.71%

Dominant channelRed

Hex per channelR E4 · G 00 · B 16

Keep nerding

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

#E40016

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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