Recognised as Colour

#E40006

#E40006
Red
Dark
Nearest: Red

#E40006 is a red with RGB values 228, 0, 6 and HSL 358°, 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

#E40006#E40006

HEX#E40006

RGBrgb(228, 0, 6)

RGB (0–1)0.8941, 0, 0.0235

RGB percentages89.4%, 0%, 2.4%

HSLhsl(358.4, 100%, 44.7%)

HSV / HSBhsv(358.4, 100%, 89.4%)

CMYK0%, 100%, 97.4%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,942,214

CSS custom property--colour: #E40006;

Brightness & contrast

Relative luminance0.16507WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.88:1

Contrast with white4.88:1WCAG normal text: AA

Contrast with black4.3:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#1BFFF9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605400no red cones; affects about 1% of men; ΔE 79.8 from the original

Deuteranopia#918000no green cones; the most common form, about 1% of men; ΔE 78.8 from the original

Tritanopia#FC000Eno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

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

Contrast with white, large text4.88:1WCAG large text: AAA

Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Red · ΔE 11.2 Orange red · ΔE 14.6 Tomato · ΔE 25.4 Crimson · ΔE 26.5 Firebrick · ΔE 29.8 Dark red · ΔE 35.3

Nearest named CSS colourRed (#FF0000)ΔE 11.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E4DE

Analogous#E40078, #E46C00

Triadic#06E400, #0006E4

Split complementary#00E46C, #0078E4

Tetradic#78E400, #00E4DE, #6C00E4

Tints, shades & saturation

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

Lighter +40%#FFB1B3

Lighter +30%#FF7E81

Lighter +20%#FF4B50

Lighter +10%#FF181E

Darker −10%#B10005

Darker −20%#7E0003

Darker −30%#4B0002

Darker −40%#180001

More saturated +25%#E40006

Less saturated −25%#C81C21

Channel breakdown

R228

Red228 (89.4%)

Green0 (0%)

Blue6 (2.4%)

Hue358.42°

Saturation (HSL)100%

Lightness44.71%

Dominant channelRed

Hex per channelR E4 · G 00 · B 06

Keep nerding

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

#E40006

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

Nerdulate something else