Colour

#EF375E

#EF375E
Red
Dark
Nearest: Crimson

#EF375E is a red with RGB values 239, 55, 94 and HSL 347°, 85%, 58%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EF375E#EF375E

HEX#EF375E

RGBrgb(239, 55, 94)

RGB (0–1)0.9373, 0.2157, 0.3686

RGB percentages93.7%, 21.6%, 36.9%

HSLhsl(347.3, 85.2%, 57.6%)

HSV / HSBhsv(347.3, 77%, 93.7%)

CMYK0%, 77%, 60.7%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,677,278

CSS custom property--colour: #EF375E;

Brightness & contrast

Relative luminance0.21891WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.38:1

Contrast with white3.9:1WCAG normal text: Fail

Contrast with black5.38:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#10C8A1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C695Eno red cones; affects about 1% of men; ΔE 73.5 from the original

Deuteranopia#9A8F59no green cones; the most common form, about 1% of men; ΔE 74.7 from the original

Tritanopia#FF0048no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

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

Contrast with white, large text3.9:1WCAG large text: AA

Contrast with black, large text5.38:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.9 Indian red · ΔE 25.3 Firebrick · ΔE 25.4 Brown · ΔE 27.4 Tomato · ΔE 28 Salmon · ΔE 29

Nearest named CSS colourCrimson (#DC143C)ΔE 12.94, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37EFC8

Analogous#EF37BA, #EF6C37

Triadic#5EEF37, #375EEF

Split complementary#37EF6C, #37BAEF

Tetradic#BAEF37, #37EFC8, #6C37EF

Tints, shades & saturation

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

Lighter +40%#FEF4F6

Lighter +30%#FAC5D0

Lighter +20%#F795AA

Lighter +10%#F36684

Darker −10%#E1123E

Darker −20%#B20E31

Darker −30%#830A24

Darker −40%#530717

More saturated +25%#FF2755

Less saturated −25%#D4526E

Channel breakdown

R239

G55

B94

Red239 (93.7%)

Green55 (21.6%)

Blue94 (36.9%)

Hue347.28°

Saturation (HSL)85.19%

Lightness57.65%

Dominant channelRed

Hex per channelR EF · G 37 · B 5E

Keep nerding

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

#EF375E

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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