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Recognised as Colour

#EF506B

  • #EF506B
  • Red
  • Dark
  • Nearest: Indian red

#EF506B is a red with RGB values 239, 80, 107 and HSL 350°, 83%, 63%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#EF506B#EF506B
HEX#EF506B
RGBrgb(239, 80, 107)
RGB (0–1)0.9373, 0.3137, 0.4196
RGB percentages93.7%, 31.4%, 42%
HSLhsl(349.8, 83.2%, 62.5%)
HSV / HSBhsv(349.8, 66.5%, 93.7%)
CMYK0%, 66.5%, 55.2%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,683,691
CSS custom property--colour: #EF506B;

Brightness & contrast

Relative luminance0.2515WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.03:1
Contrast with white3.48:1WCAG normal text: Fail
Contrast with black6.03:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#10AF94

Colour vision & accessibility

Protanopia#77756Bno red cones; affects about 1% of men; ΔE 65.6 from the original
Deuteranopia#A09567no green cones; the most common form, about 1% of men; ΔE 66 from the original
Tritanopia#FF2F5Bno blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.48:1WCAG large text: AA
Contrast with black, large text6.03:1WCAG large text: AAA

Named colours

Nearest named CSS colourIndian red (#CD5C5C)ΔE 18.32, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#50EFD4
Analogous#EF50BB, #EF8450
Triadic#6BEF50, #506BEF
Split complementary#50EF84, #50BBEF
Tetradic#BBEF50, #50EFD4, #8450EF

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FCDCE2
Lighter +20%#F8ADBA
Lighter +10%#F37F93
Darker −10%#EB2143
Darker −20%#C71231
Darker −30%#980E25
Darker −40%#690A1A
More saturated +25%#FF4060
Less saturated −25%#D7687B

Channel breakdown

R239
G80
B107
Red239 (93.7%)
Green80 (31.4%)
Blue107 (42%)
Hue349.81°
Saturation (HSL)83.25%
Lightness62.55%
Dominant channelRed
Hex per channelR EF · G 50 · B 6B

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Every value on this page was computed from “ef506b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.