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Colour

#0B0003

  • #0B0003
  • Red
  • Dark
  • Nearest: Black

#0B0003 is a red with RGB values 11, 0, 3 and HSL 344°, 100%, 2%. It is a dark colour, so white text on it reaches 20.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B0003#0B0003
HEX#0B0003
RGBrgb(11, 0, 3)
RGB (0–1)0.0431, 0, 0.0118
RGB percentages4.3%, 0%, 1.2%
HSLhsl(343.6, 100%, 2.2%)
HSV / HSBhsv(343.6, 100%, 4.3%)
CMYK0%, 100%, 72.7%, 95.7%naive device-independent conversion; real print needs an ICC profile
24-bit integer720,899
CSS custom property--colour: #0B0003;

Brightness & contrast

Relative luminance0.00078WCAG 2.x, 0 is black and 1 is white
Perceived brightness6.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.68:1
Contrast with white20.68:1WCAG normal text: AAA
Contrast with black1.02:1WCAG normal text: Fail
Greyscale equivalent#030303
Inverted#F4FFFC

Colour vision & accessibility

Protanopia#010203no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#030303no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#0D0001no blue cones; rare, and affects men and women equally; ΔE 1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.68:1WCAG large text: AAA
Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 3.38, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#000B08
Analogous#0B0008, #0B0300
Triadic#030B00, #00030B
Split complementary#000B03, #00090B
Tetradic#090B00, #000B08, #03000B

Tints, shades & saturation

Lighter +40%#D7003B
Lighter +30%#A4002D
Lighter +20%#71001F
Lighter +10%#3E0011
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B0003
Less saturated −25%#0A0104

Channel breakdown

R11
G0
B3
Red11 (4.3%)
Green0 (0%)
Blue3 (1.2%)
Hue343.64°
Saturation (HSL)100%
Lightness2.16%
Dominant channelRed
Hex per channelR 0B · G 00 · B 03

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Every value on this page was computed from “0b0003” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.