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Recognised as Colour

#FF1D02

  • #FF1D02
  • Red
  • Dark
  • Nearest: Red

#FF1D02 is a red with RGB values 255, 29, 2 and HSL 6°, 100%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1D02#FF1D02
HEX#FF1D02
RGBrgb(255, 29, 2)
RGB (0–1)1, 0.1137, 0.0078
RGB percentages100%, 11.4%, 0.8%
HSLhsl(6.4, 100%, 50.4%)
HSV / HSBhsv(6.4, 99.2%, 100%)
CMYK0%, 88.6%, 99.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,719,106
CSS custom property--colour: #FF1D02;

Brightness & contrast

Relative luminance0.22143WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.43:1
Contrast with white3.87:1WCAG normal text: Fail
Contrast with black5.43:1WCAG normal text: AA
Greyscale equivalent#4B4B4B
Inverted#00E2FD

Colour vision & accessibility

Protanopia#716300no red cones; affects about 1% of men; ΔE 84.2 from the original
Deuteranopia#A59200no green cones; the most common form, about 1% of men; ΔE 83.2 from the original
Tritanopia#FF001Fno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.87:1WCAG large text: AA
Contrast with black, large text5.43:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 2.87, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#02E4FF
Analogous#FF0265, #FF9C02
Triadic#02FF1D, #1D02FF
Split complementary#02FF9C, #0265FF
Tetradic#65FF02, #02E4FF, #9C02FF

Tints, shades & saturation

Lighter +40%#FFD3CE
Lighter +30%#FFA69B
Lighter +20%#FF7868
Lighter +10%#FF4B35
Darker −10%#CE1600
Darker −20%#9B1100
Darker −30%#680B00
Darker −40%#350600
More saturated +25%#FF1D02
Less saturated −25%#DF3622

Channel breakdown

R255
G29
B2
Red255 (100%)
Green29 (11.4%)
Blue2 (0.8%)
Hue6.4°
Saturation (HSL)100%
Lightness50.39%
Dominant channelRed
Hex per channelR FF · G 1D · B 02

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Every value on this page was computed from “ff1d02” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.