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Recognised as Colour

#EF4A5F

  • #EF4A5F
  • Red
  • Dark
  • Nearest: Crimson

#EF4A5F is a red with RGB values 239, 74, 95 and HSL 352°, 84%, 61%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#EF4A5F#EF4A5F
HEX#EF4A5F
RGBrgb(239, 74, 95)
RGB (0–1)0.9373, 0.2902, 0.3725
RGB percentages93.7%, 29%, 37.3%
HSLhsl(352.4, 83.8%, 61.4%)
HSV / HSBhsv(352.4, 69%, 93.7%)
CMYK0%, 69%, 60.3%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,682,143
CSS custom property--colour: #EF4A5F;

Brightness & contrast

Relative luminance0.24075WCAG 2.x, 0 is black and 1 is white
Perceived brightness146 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#10B5A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#76715Fno red cones; affects about 1% of men; ΔE 67.4 from the original
Deuteranopia#A0935Bno green cones; the most common form, about 1% of men; ΔE 67.8 from the original
Tritanopia#FF1E53no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.3Indian red · ΔE 19.6Salmon · ΔE 22.2Firebrick · ΔE 22.7Tomato · ΔE 23Light coral · ΔE 24
Nearest named CSS colourCrimson (#DC143C)ΔE 14.31, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4AEFDA
Analogous#EF4AB1, #EF884A
Triadic#5FEF4A, #4A5FEF
Split complementary#4AEF88, #4AB1EF
Tetradic#B2EF4A, #4AEFDA, #884AEF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBD7DB
Lighter +20%#F7A8B2
Lighter +10%#F37988
Darker −10%#EB1B36
Darker −20%#C21128
Darker −30%#930D1E
Darker −40%#640914
More saturated +25%#FF3A53
Less saturated −25%#D66371

Channel breakdown

R239
G74
B95
Red239 (93.7%)
Green74 (29%)
Blue95 (37.3%)
Hue352.36°
Saturation (HSL)83.76%
Lightness61.37%
Dominant channelRed
Hex per channelR EF · G 4A · B 5F

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Every value on this page was computed from “ef4a5f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.