Colour

#E3002B

#E3002B
Red
Dark
Nearest: Crimson

#E3002B is a red with RGB values 227, 0, 43 and HSL 349°, 100%, 45%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E3002B#E3002B

HEX#E3002B

RGBrgb(227, 0, 43)

RGB (0–1)0.8902, 0, 0.1686

RGB percentages89%, 0%, 16.9%

HSLhsl(348.6, 100%, 44.5%)

HSV / HSBhsv(348.6, 100%, 89%)

CMYK0%, 100%, 81.1%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,876,715

CSS custom property--colour: #E3002B;

Brightness & contrast

Relative luminance0.16505WCAG 2.x, 0 is black and 1 is white

Perceived brightness125 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.88:1

Contrast with white4.88:1WCAG normal text: AA

Contrast with black4.3:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#1CFFD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5529no red cones; affects about 1% of men; ΔE 79.7 from the original

Deuteranopia#8F8020no green cones; the most common form, about 1% of men; ΔE 79.5 from the original

Tritanopia#FA001Bno blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

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

Contrast with white, large text4.88:1WCAG large text: AAA

Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Crimson · ΔE 11.3 Firebrick · ΔE 21.1 Tomato · ΔE 21.8 Red · ΔE 24.2 Orange red · ΔE 27.1 Brown · ΔE 29.8

Nearest named CSS colourCrimson (#DC143C)ΔE 11.31, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E3B8

Analogous#E3009D, #E34600

Triadic#2BE300, #002BE3

Split complementary#00E346, #009DE3

Tetradic#9DE300, #00E3B8, #4600E3

Tints, shades & saturation

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

Lighter +40%#FFB0BF

Lighter +30%#FF7D96

Lighter +20%#FF4A6C

Lighter +10%#FF1743

Darker −10%#B00021

Darker −20%#7D0018

Darker −30%#4A000E

Darker −40%#170004

More saturated +25%#E3002B

Less saturated −25%#C71C3D

Channel breakdown

R227

B43

Red227 (89%)

Green0 (0%)

Blue43 (16.9%)

Hue348.63°

Saturation (HSL)100%

Lightness44.51%

Dominant channelRed

Hex per channelR E3 · G 00 · B 2B

Keep nerding

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

#E3002B

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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