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Recognised as Colour

#F3315D

  • #F3315D
  • Red
  • Dark
  • Nearest: Crimson

#F3315D is a red with RGB values 243, 49, 93 and HSL 346°, 89%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F3315D#F3315D
HEX#F3315D
RGBrgb(243, 49, 93)
RGB (0–1)0.9529, 0.1922, 0.3647
RGB percentages95.3%, 19.2%, 36.5%
HSLhsl(346.4, 89%, 57.3%)
HSV / HSBhsv(346.4, 79.8%, 95.3%)
CMYK0%, 79.8%, 61.7%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,937,885
CSS custom property--colour: #F3315D;

Brightness & contrast

Relative luminance0.22042WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.41:1
Contrast with white3.88:1WCAG normal text: Fail
Contrast with black5.41:1WCAG normal text: AA
Greyscale equivalent#5D5D5D
Inverted#0CCEA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B685Dno red cones; affects about 1% of men; ΔE 76.3 from the original
Deuteranopia#9C9058no green cones; the most common form, about 1% of men; ΔE 77.1 from the original
Tritanopia#FF0045no blue cones; rare, and affects men and women equally; ΔE 16.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.88:1WCAG large text: AA
Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.4Firebrick · ΔE 26.5Indian red · ΔE 28Tomato · ΔE 28.4Brown · ΔE 29.2Salmon · ΔE 31
Nearest named CSS colourCrimson (#DC143C)ΔE 12.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#31F3C7
Analogous#F331BE, #F36631
Triadic#5DF331, #315DF3
Split complementary#31F366, #31BEF3
Tetradic#BEF331, #31F3C7, #6631F3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEF2F5
Lighter +30%#FBC2CF
Lighter +20%#F991A9
Lighter +10%#F66183
Darker −10%#E40D3E
Darker −20%#B40A31
Darker −30%#830824
Darker −40%#530517
More saturated +25%#FF2556
Less saturated −25%#D84C6C

Channel breakdown

R243
G49
B93
Red243 (95.3%)
Green49 (19.2%)
Blue93 (36.5%)
Hue346.39°
Saturation (HSL)88.99%
Lightness57.25%
Dominant channelRed
Hex per channelR F3 · G 31 · B 5D

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Every value on this page was computed from “f3315d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.