Recognised as Colour

#E31A44

#E31A44
Red
Dark
Nearest: Crimson

#E31A44 is a red with RGB values 227, 26, 68 and HSL 347°, 79%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E31A44#E31A44

HEX#E31A44

RGBrgb(227, 26, 68)

RGB (0–1)0.8902, 0.102, 0.2667

RGB percentages89%, 10.2%, 26.7%

HSLhsl(347.5, 79.4%, 49.6%)

HSV / HSBhsv(347.5, 88.5%, 89%)

CMYK0%, 88.5%, 70%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,883,396

CSS custom property--colour: #E31A44;

Brightness & contrast

Relative luminance0.17487WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.67:1

Contrast with white4.67:1WCAG normal text: AA

Contrast with black4.5:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#1CE5BB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605A44no red cones; affects about 1% of men; ΔE 76.5 from the original

Deuteranopia#90823Dno green cones; the most common form, about 1% of men; ΔE 76.6 from the original

Tritanopia#FA002Fno blue cones; rare, and affects men and women equally; ΔE 19.1 from the original

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

Contrast with white, large text4.67:1WCAG large text: AAA

Contrast with black, large text4.5:1WCAG large text: AA

Named colours

Crimson · ΔE 3.1 Firebrick · ΔE 19.9 Tomato · ΔE 24.7 Brown · ΔE 25.2 Indian red · ΔE 29.2 Dark red · ΔE 31.3

Nearest named CSS colourCrimson (#DC143C)ΔE 3.15, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AE3B9

Analogous#E31AA9, #E3541A

Triadic#44E31A, #1A44E3

Split complementary#1AE354, #1AA9E3

Tetradic#A9E31A, #1AE3B9, #541AE3

Tints, shades & saturation

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

Lighter +40%#FACFD8

Lighter +30%#F4A2B3

Lighter +20%#EF748E

Lighter +10%#EA4668

Darker −10%#B51536

Darker −20%#871029

Darker −30%#5A0A1B

Darker −40%#2C050D

More saturated +25%#FD0035

Less saturated −25%#C33A56

Channel breakdown

R227

G26

B68

Red227 (89%)

Green26 (10.2%)

Blue68 (26.7%)

Hue347.46°

Saturation (HSL)79.45%

Lightness49.61%

Dominant channelRed

Hex per channelR E3 · G 1A · B 44

Keep nerding

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

#E31A44

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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