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Recognised as Colour

#FD2B03

  • #FD2B03
  • Red
  • Dark
  • Nearest: Red

#FD2B03 is a red with RGB values 253, 43, 3 and HSL 10°, 98%, 50%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FD2B03#FD2B03
HEX#FD2B03
RGBrgb(253, 43, 3)
RGB (0–1)0.9922, 0.1686, 0.0118
RGB percentages99.2%, 16.9%, 1.2%
HSLhsl(9.6, 98.4%, 50.2%)
HSV / HSBhsv(9.6, 98.8%, 99.2%)
CMYK0%, 83%, 98.8%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,591,619
CSS custom property--colour: #FD2B03;

Brightness & contrast

Relative luminance0.22617WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.52:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.52:1WCAG normal text: AA
Greyscale equivalent#555555
Inverted#02D4FC

Colour vision & accessibility

Protanopia#746600no red cones; affects about 1% of men; ΔE 81.2 from the original
Deuteranopia#A69300no green cones; the most common form, about 1% of men; ΔE 80.2 from the original
Tritanopia#FF0028no blue cones; rare, and affects men and women equally; ΔE 14.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.52:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 5.96, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#03D5FD
Analogous#FD0358, #FDA803
Triadic#03FD2B, #2B03FD
Split complementary#03FDA8, #0358FD
Tetradic#58FD03, #03D5FD, #A803FD

Tints, shades & saturation

Lighter +40%#FFD5CD
Lighter +30%#FEAB9B
Lighter +20%#FE8068
Lighter +10%#FD5636
Darker −10%#CB2202
Darker −20%#991901
Darker −30%#661101
Darker −40%#340900
More saturated +25%#FF2A01
Less saturated −25%#DD4123

Channel breakdown

R253
G43
B3
Red253 (99.2%)
Green43 (16.9%)
Blue3 (1.2%)
Hue9.6°
Saturation (HSL)98.43%
Lightness50.2%
Dominant channelRed
Hex per channelR FD · G 2B · B 03

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Every value on this page was computed from “fd2b03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.