Recognised as Colour

#E91C2D

#E91C2D
Red
Dark
Nearest: Crimson

#E91C2D is a red with RGB values 233, 28, 45 and HSL 355°, 82%, 51%. 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

#E91C2D#E91C2D

HEX#E91C2D

RGBrgb(233, 28, 45)

RGB (0–1)0.9137, 0.1098, 0.1765

RGB percentages91.4%, 11%, 17.6%

HSLhsl(355, 82.3%, 51.2%)

HSV / HSBhsv(355, 88%, 91.4%)

CMYK0%, 88%, 80.7%, 8.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,277,101

CSS custom property--colour: #E91C2D;

Brightness & contrast

Relative luminance0.18344WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.67:1

Contrast with white4.5:1WCAG normal text: Fail

Contrast with black4.67:1WCAG normal text: AA

Greyscale equivalent#494949

Inverted#16E3D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655B2Bno red cones; affects about 1% of men; ΔE 78.2 from the original

Deuteranopia#968622no green cones; the most common form, about 1% of men; ΔE 78.1 from the original

Tritanopia#FF0027no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

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

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

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

Named colours

Crimson · ΔE 12.9 Tomato · ΔE 19.2 Firebrick · ΔE 21.5 Red · ΔE 22.7 Orange red · ΔE 24.6 Brown · ΔE 30.3

Nearest named CSS colourCrimson (#DC143C)ΔE 12.86, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1CE9D8

Analogous#E91C93, #E9711C

Triadic#2DE91C, #1C2DE9

Split complementary#1CE971, #1C94E9

Tetradic#94E91C, #1CE9D8, #711CE9

Tints, shades & saturation

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

Lighter +40%#FBD6D9

Lighter +30%#F7A7AE

Lighter +20%#F27983

Lighter +10%#EE4A58

Darker −10%#BF1321

Darker −20%#910E19

Darker −30%#620A11

Darker −40%#340509

More saturated +25%#FF061B

Less saturated −25%#CA3B47

Channel breakdown

R233

G28

B45

Red233 (91.4%)

Green28 (11%)

Blue45 (17.6%)

Hue355.02°

Saturation (HSL)82.33%

Lightness51.18%

Dominant channelRed

Hex per channelR E9 · G 1C · B 2D

Keep nerding

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

#E91C2D

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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