Recognised as Colour

#EF213B

#EF213B
Red
Dark
Nearest: Crimson

#EF213B is a red with RGB values 239, 33, 59 and HSL 352°, 87%, 53%. 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

#EF213B#EF213B

HEX#EF213B

RGBrgb(239, 33, 59)

RGB (0–1)0.9373, 0.1294, 0.2314

RGB percentages93.7%, 12.9%, 23.1%

HSLhsl(352.4, 86.6%, 53.3%)

HSV / HSBhsv(352.4, 86.2%, 93.7%)

CMYK0%, 86.2%, 75.3%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,671,611

CSS custom property--colour: #EF213B;

Brightness & contrast

Relative luminance0.19754WCAG 2.x, 0 is black and 1 is white

Perceived brightness134.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.95:1

Contrast with white4.24:1WCAG normal text: Fail

Contrast with black4.95:1WCAG normal text: AA

Greyscale equivalent#4F4F4F

Inverted#10DEC4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#685F3Ano red cones; affects about 1% of men; ΔE 78.8 from the original

Deuteranopia#998A33no green cones; the most common form, about 1% of men; ΔE 79.1 from the original

Tritanopia#FF002Fno blue cones; rare, and affects men and women equally; ΔE 12 from the original

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

Contrast with white, large text4.24:1WCAG large text: AA

Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Crimson · ΔE 8.6 Tomato · ΔE 20 Firebrick · ΔE 21.8 Red · ΔE 27.7 Brown · ΔE 29.4 Orange red · ΔE 29.8

Nearest named CSS colourCrimson (#DC143C)ΔE 8.58, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#21EFD5

Analogous#EF21A2, #EF6E21

Triadic#3BEF21, #213BEF

Split complementary#21EF6E, #21A2EF

Tetradic#A2EF21, #21EFD5, #6E21EF

Tints, shades & saturation

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

Lighter +40%#FDDFE3

Lighter +30%#F9B0B9

Lighter +20%#F6808F

Lighter +10%#F25165

Darker −10%#CE0F27

Darker −20%#9F0B1E

Darker −30%#6F0815

Darker −40%#3F050C

More saturated +25%#FF112F

Less saturated −25%#D13F51

Channel breakdown

R239

G33

B59

Red239 (93.7%)

Green33 (12.9%)

Blue59 (23.1%)

Hue352.43°

Saturation (HSL)86.55%

Lightness53.33%

Dominant channelRed

Hex per channelR EF · G 21 · B 3B

Keep nerding

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

#EF213B

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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