Recognised as Colour

#E0000B

#E0000B
Red
Dark
Nearest: Red

#E0000B is a red with RGB values 224, 0, 11 and HSL 357°, 100%, 44%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E0000B#E0000B

HEX#E0000B

RGBrgb(224, 0, 11)

RGB (0–1)0.8784, 0, 0.0431

RGB percentages87.8%, 0%, 4.3%

HSLhsl(357.1, 100%, 43.9%)

HSV / HSBhsv(357.1, 100%, 87.8%)

CMYK0%, 100%, 95.1%, 12.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,680,075

CSS custom property--colour: #E0000B;

Brightness & contrast

Relative luminance0.15871WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.03:1

Contrast with white5.03:1WCAG normal text: AA

Contrast with black4.17:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#1FFFF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5302no red cones; affects about 1% of men; ΔE 79 from the original

Deuteranopia#8F7E00no green cones; the most common form, about 1% of men; ΔE 77.7 from the original

Tritanopia#F8000Eno blue cones; rare, and affects men and women equally; ΔE 8.9 from the original

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

Contrast with white, large text5.03:1WCAG large text: AAA

Contrast with black, large text4.17:1WCAG large text: AA

Named colours

Red · ΔE 13.6 Orange red · ΔE 16.3 Tomato · ΔE 24.2 Crimson · ΔE 24.2 Firebrick · ΔE 27.3 Dark red · ΔE 33

Nearest named CSS colourRed (#FF0000)ΔE 13.62, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E0D5

Analogous#E0007B, #E06500

Triadic#0BE000, #000BE0

Split complementary#00E065, #007BE0

Tetradic#7BE000, #00E0D5, #6500E0

Tints, shades & saturation

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

Lighter +40%#FFADB1

Lighter +30%#FF7A81

Lighter +20%#FF4750

Lighter +10%#FF1420

Darker −10%#AD0008

Darker −20%#7A0006

Darker −30%#470003

Darker −40%#140001

More saturated +25%#E0000B

Less saturated −25%#C41C24

Channel breakdown

R224

B11

Red224 (87.8%)

Green0 (0%)

Blue11 (4.3%)

Hue357.05°

Saturation (HSL)100%

Lightness43.92%

Dominant channelRed

Hex per channelR E0 · G 00 · B 0B

Keep nerding

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

#E0000B

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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