Recognised as Colour

#E50C01

#E50C01
Red
Dark
Nearest: Red

#E50C01 is a red with RGB values 229, 12, 1 and HSL 3°, 99%, 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

#E50C01#E50C01

HEX#E50C01

RGBrgb(229, 12, 1)

RGB (0–1)0.898, 0.0471, 0.0039

RGB percentages89.8%, 4.7%, 0.4%

HSLhsl(2.9, 99.1%, 45.1%)

HSV / HSBhsv(2.9, 99.6%, 89.8%)

CMYK0%, 94.8%, 99.6%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,010,817

CSS custom property--colour: #E50C01;

Brightness & contrast

Relative luminance0.16923WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.79:1

Contrast with white4.79:1WCAG normal text: AA

Contrast with black4.38:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#1AF3FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#625600no red cones; affects about 1% of men; ΔE 79.5 from the original

Deuteranopia#938200no green cones; the most common form, about 1% of men; ΔE 78.3 from the original

Tritanopia#FD0013no 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 text4.79:1WCAG large text: AAA

Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Red · ΔE 10.4 Orange red · ΔE 12.9 Tomato · ΔE 25.7 Crimson · ΔE 28.3 Firebrick · ΔE 30.9 Dark red · ΔE 36.1

Nearest named CSS colourRed (#FF0000)ΔE 10.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01DAE5

Analogous#E50168, #E57E01

Triadic#01E50C, #0C01E5

Split complementary#01E57E, #0168E5

Tetradic#68E501, #01DAE5, #7E01E5

Tints, shades & saturation

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

Lighter +40%#FFB7B3

Lighter +30%#FE8781

Lighter +20%#FE564E

Lighter +10%#FE261B

Darker −10%#B20901

Darker −20%#7F0701

Darker −30%#4D0400

Darker −40%#1A0100

More saturated +25%#E60B00

Less saturated −25%#C8261E

Channel breakdown

R229

G12

Red229 (89.8%)

Green12 (4.7%)

Blue1 (0.4%)

Hue2.89°

Saturation (HSL)99.13%

Lightness45.1%

Dominant channelRed

Hex per channelR E5 · G 0C · B 01

Keep nerding

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

#E50C01

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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