Recognised as Colour

#ED0042

#ED0042
Red
Dark
Nearest: Crimson

#ED0042 is a red with RGB values 237, 0, 66 and HSL 343°, 100%, 46%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#ED0042#ED0042

HEX#ED0042

RGBrgb(237, 0, 66)

RGB (0–1)0.9294, 0, 0.2588

RGB percentages92.9%, 0%, 25.9%

HSLhsl(343.3, 100%, 46.5%)

HSV / HSBhsv(343.3, 100%, 92.9%)

CMYK0%, 100%, 72.2%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,532,098

CSS custom property--colour: #ED0042;

Brightness & contrast

Relative luminance0.18398WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.68:1

Contrast with white4.49:1WCAG normal text: Fail

Contrast with black4.68:1WCAG normal text: AA

Greyscale equivalent#373737

Inverted#12FFBD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605A42no red cones; affects about 1% of men; ΔE 82.1 from the original

Deuteranopia#95863Ano green cones; the most common form, about 1% of men; ΔE 81.7 from the original

Tritanopia#FF0027no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original

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

Contrast with white, large text4.49:1WCAG large text: AA

Contrast with black, large text4.68:1WCAG large text: AAA

Named colours

Crimson · ΔE 6.9 Firebrick · ΔE 24 Tomato · ΔE 25.8 Brown · ΔE 30.3 Red · ΔE 33.1 Indian red · ΔE 34.6

Nearest named CSS colourCrimson (#DC143C)ΔE 6.86, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00EDAB

Analogous#ED00B9, #ED3400

Triadic#42ED00, #0042ED

Split complementary#00ED34, #00B9ED

Tetradic#B9ED00, #00EDAB, #3400ED

Tints, shades & saturation

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

Lighter +40%#FFBACD

Lighter +30%#FF87A8

Lighter +20%#FF5484

Lighter +10%#FF215F

Darker −10%#BA0034

Darker −20%#870026

Darker −30%#540017

Darker −40%#210009

More saturated +25%#ED0042

Less saturated −25%#CF1E4F

Channel breakdown

R237

B66

Red237 (92.9%)

Green0 (0%)

Blue66 (25.9%)

Hue343.29°

Saturation (HSL)100%

Lightness46.47%

Dominant channelRed

Hex per channelR ED · G 00 · B 42

Keep nerding

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

#ED0042

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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