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Recognised as Colour

#FF300D

  • #FF300D
  • Red
  • Dark
  • Nearest: Red

#FF300D is a red with RGB values 255, 48, 13 and HSL 9°, 100%, 53%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF300D#FF300D
HEX#FF300D
RGBrgb(255, 48, 13)
RGB (0–1)1, 0.1882, 0.051
RGB percentages100%, 18.8%, 5.1%
HSLhsl(8.7, 100%, 52.5%)
HSV / HSBhsv(8.7, 94.9%, 100%)
CMYK0%, 81.2%, 94.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,723,981
CSS custom property--colour: #FF300D;

Brightness & contrast

Relative luminance0.23403WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.68:1
Contrast with white3.7:1WCAG normal text: Fail
Contrast with black5.68:1WCAG normal text: AA
Greyscale equivalent#595959
Inverted#00CFF2

Colour vision & accessibility

Protanopia#766800no red cones; affects about 1% of men; ΔE 80.4 from the original
Deuteranopia#A89500no green cones; the most common form, about 1% of men; ΔE 79.8 from the original
Tritanopia#FF002Dno blue cones; rare, and affects men and women equally; ΔE 15.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.7:1WCAG large text: AA
Contrast with black, large text5.68:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 6.97, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0DDCFF
Analogous#FF0D63, #FFA90D
Triadic#0DFF30, #300DFF
Split complementary#0DFFA9, #0D63FF
Tetradic#63FF0D, #0DDCFF, #A90DFF

Tints, shades & saturation

Lighter +40%#FFDED9
Lighter +30%#FFB3A6
Lighter +20%#FF8773
Lighter +10%#FF5C40
Darker −10%#D91F00
Darker −20%#A61800
Darker −30%#731100
Darker −40%#400900
More saturated +25%#FF300D
Less saturated −25%#E1452B

Channel breakdown

R255
G48
B13
Red255 (100%)
Green48 (18.8%)
Blue13 (5.1%)
Hue8.68°
Saturation (HSL)100%
Lightness52.55%
Dominant channelRed
Hex per channelR FF · G 30 · B 0D

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Every value on this page was computed from “ff300d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.