Recognised as Colour

#EF2633

#EF2633
Red
Dark
Nearest: Crimson

#EF2633 is a red with RGB values 239, 38, 51 and HSL 356°, 86%, 54%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EF2633#EF2633

HEX#EF2633

RGBrgb(239, 38, 51)

RGB (0–1)0.9373, 0.149, 0.2

RGB percentages93.7%, 14.9%, 20%

HSLhsl(356.1, 86.3%, 54.3%)

HSV / HSBhsv(356.1, 84.1%, 93.7%)

CMYK0%, 84.1%, 78.7%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,672,883

CSS custom property--colour: #EF2633;

Brightness & contrast

Relative luminance0.19976WCAG 2.x, 0 is black and 1 is white

Perceived brightness135 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5:1

Contrast with white4.2:1WCAG normal text: Fail

Contrast with black5:1WCAG normal text: AA

Greyscale equivalent#525252

Inverted#10D9CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A6031no red cones; affects about 1% of men; ΔE 78 from the original

Deuteranopia#9B8B2Ano green cones; the most common form, about 1% of men; ΔE 78 from the original

Tritanopia#FF002Eno blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text4.2:1WCAG large text: AA

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

Named colours

Crimson · ΔE 12.5 Tomato · ΔE 17.9 Firebrick · ΔE 22.1 Red · ΔE 23.5 Orange red · ΔE 25 Brown · ΔE 30.5

Nearest named CSS colourCrimson (#DC143C)ΔE 12.53, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#26EFE2

Analogous#EF2697, #EF7D26

Triadic#33EF26, #2633EF

Split complementary#26EF7D, #2697EF

Tetradic#98EF26, #26EFE2, #7E26EF

Tints, shades & saturation

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

Lighter +40%#FDE4E6

Lighter +30%#FAB4B9

Lighter +20%#F6858C

Lighter +10%#F35560

Darker −10%#D2101C

Darker −20%#A30C16

Darker −30%#73090F

Darker −40%#440509

More saturated +25%#FF1625

Less saturated −25%#D2434C

Channel breakdown

R239

G38

B51

Red239 (93.7%)

Green38 (14.9%)

Blue51 (20%)

Hue356.12°

Saturation (HSL)86.27%

Lightness54.31%

Dominant channelRed

Hex per channelR EF · G 26 · B 33

Keep nerding

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

#EF2633

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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