Recognised as Colour

#E40800

#E40800
Red
Dark
Nearest: Red

#E40800 is a red with RGB values 228, 8, 0 and HSL 2°, 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 Red.

Colour values

#E40800#E40800

HEX#E40800

RGBrgb(228, 8, 0)

RGB (0–1)0.8941, 0.0314, 0

RGB percentages89.4%, 3.1%, 0%

HSLhsl(2.1, 100%, 44.7%)

HSV / HSBhsv(2.1, 100%, 89.4%)

CMYK0%, 96.5%, 100%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,944,256

CSS custom property--colour: #E40800;

Brightness & contrast

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

Perceived brightness124.8 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#363636

Inverted#1BF7FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#615500no red cones; affects about 1% of men; ΔE 79.6 from the original

Deuteranopia#928100no green cones; the most common form, about 1% of men; ΔE 78.3 from the original

Tritanopia#FC0010no 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 text4.85:1WCAG large text: AAA

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

Named colours

Red · ΔE 10.4 Orange red · ΔE 13.1 Tomato · ΔE 25.9 Crimson · ΔE 28.3 Firebrick · ΔE 30.8 Dark red · ΔE 36

Nearest named CSS colourRed (#FF0000)ΔE 10.44, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DCE4

Analogous#E4006A, #E47A00

Triadic#00E408, #0800E4

Split complementary#00E47A, #006AE4

Tetradic#6AE400, #00DCE4, #7A00E4

Tints, shades & saturation

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

Lighter +40%#FFB4B1

Lighter +30%#FF837E

Lighter +20%#FF514B

Lighter +10%#FF2018

Darker −10%#B10600

Darker −20%#7E0400

Darker −30%#4B0300

Darker −40%#180100

More saturated +25%#E40800

Less saturated −25%#C8231C

Channel breakdown

R228

Red228 (89.4%)

Green8 (3.1%)

Blue0 (0%)

Hue2.11°

Saturation (HSL)100%

Lightness44.71%

Dominant channelRed

Hex per channelR E4 · G 08 · B 00

Keep nerding

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

#E40800

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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