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Recognised as Colour

#FD023F

  • #FD023F
  • Red
  • Dark
  • Nearest: Crimson

#FD023F is a red with RGB values 253, 2, 63 and HSL 345°, 98%, 50%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FD023F#FD023F
HEX#FD023F
RGBrgb(253, 2, 63)
RGB (0–1)0.9922, 0.0078, 0.2471
RGB percentages99.2%, 0.8%, 24.7%
HSLhsl(345.4, 98.4%, 50%)
HSV / HSBhsv(345.4, 99.2%, 99.2%)
CMYK0%, 99.2%, 75.1%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,581,183
CSS custom property--colour: #FD023F;

Brightness & contrast

Relative luminance0.21285WCAG 2.x, 0 is black and 1 is white
Perceived brightness140 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.26:1
Contrast with white3.99:1WCAG normal text: Fail
Contrast with black5.26:1WCAG normal text: AA
Greyscale equivalent#3C3C3C
Inverted#02FDC0

Colour vision & accessibility

Protanopia#69603Eno red cones; affects about 1% of men; ΔE 85.8 from the original
Deuteranopia#A09036no green cones; the most common form, about 1% of men; ΔE 86.1 from the original
Tritanopia#FF0027no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.99:1WCAG large text: AA
Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 13.51, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#02FDC0
Analogous#FD02BD, #FD4202
Triadic#3FFD02, #023FFD
Split complementary#02FD42, #02BDFD
Tetradic#BDFD02, #02FDC0, #4202FD

Tints, shades & saturation

Lighter +40%#FFCCD9
Lighter +30%#FE9AB2
Lighter +20%#FE678C
Lighter +10%#FD3565
Darker −10%#CA0232
Darker −20%#980126
Darker −30%#650119
Darker −40%#33000D
More saturated +25%#FF003E
Less saturated −25%#DD224F

Channel breakdown

R253
G2
B63
Red253 (99.2%)
Green2 (0.8%)
Blue63 (24.7%)
Hue345.42°
Saturation (HSL)98.43%
Lightness50%
Dominant channelRed
Hex per channelR FD · G 02 · B 3F

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Every value on this page was computed from “fd023f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.