Recognised as Colour

#EF143C

#EF143C
Red
Dark
Nearest: Crimson

#EF143C is a red with RGB values 239, 20, 60 and HSL 349°, 87%, 51%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EF143C#EF143C

HEX#EF143C

RGBrgb(239, 20, 60)

RGB (0–1)0.9373, 0.0784, 0.2353

RGB percentages93.7%, 7.8%, 23.5%

HSLhsl(349, 87.3%, 50.8%)

HSV / HSBhsv(349, 91.6%, 93.7%)

CMYK0%, 91.6%, 74.9%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,668,284

CSS custom property--colour: #EF143C;

Brightness & contrast

Relative luminance0.19177WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.84:1

Contrast with white4.34:1WCAG normal text: Fail

Contrast with black4.84:1WCAG normal text: AA

Greyscale equivalent#454545

Inverted#10EBC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655D3Bno red cones; affects about 1% of men; ΔE 80.9 from the original

Deuteranopia#988934no green cones; the most common form, about 1% of men; ΔE 81 from the original

Tritanopia#FF0029no blue cones; rare, and affects men and women equally; ΔE 15 from the original

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

Contrast with white, large text4.34:1WCAG large text: AA

Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Crimson · ΔE 8.2 Tomato · ΔE 22.3 Firebrick · ΔE 23 Red · ΔE 28.6 Brown · ΔE 30.4 Orange red · ΔE 31.6

Nearest named CSS colourCrimson (#DC143C)ΔE 8.16, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#14EFC7

Analogous#EF14A9, #EF5A14

Triadic#3CEF14, #143CEF

Split complementary#14EF5A, #14A9EF

Tetradic#A9EF14, #14EFC7, #5A14EF

Tints, shades & saturation

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

Lighter +40%#FCD3DA

Lighter +30%#F9A3B3

Lighter +20%#F6738B

Lighter +10%#F24464

Darker −10%#C30D2E

Darker −20%#930A23

Darker −30%#630718

Darker −40%#33040C

More saturated +25%#FF0432

Less saturated −25%#D03350

Channel breakdown

R239

G20

B60

Red239 (93.7%)

Green20 (7.8%)

Blue60 (23.5%)

Hue349.04°

Saturation (HSL)87.25%

Lightness50.78%

Dominant channelRed

Hex per channelR EF · G 14 · B 3C

Keep nerding

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

#EF143C

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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