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Recognised as Colour

#0B191F

  • #0B191F
  • Cyan
  • Dark
  • Nearest: Black

#0B191F is a cyan with RGB values 11, 25, 31 and HSL 198°, 48%, 8%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B191F#0B191F
HEX#0B191F
RGBrgb(11, 25, 31)
RGB (0–1)0.0431, 0.098, 0.1216
RGB percentages4.3%, 9.8%, 12.2%
HSLhsl(198, 47.6%, 8.2%)
HSV / HSBhsv(198, 64.5%, 12.2%)
CMYK64.5%, 19.4%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer727,327
CSS custom property--colour: #0B191F;

Brightness & contrast

Relative luminance0.00865WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.9:1
Contrast with white17.9:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#F4E6E0

Colour vision & accessibility

Protanopia#16181Fno red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#13161Fno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#031B1Bno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.9:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 10.55, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1F110B
Analogous#0B1F1B, #0B0F1F
Triadic#1F0B19, #191F0B
Split complementary#1F0B0F, #1F1B0B
Tetradic#1B0B1F, #1F110B, #0F1F0B

Tints, shades & saturation

Lighter +40%#4092B6
Lighter +30%#337490
Lighter +20%#26566A
Lighter +10%#183745
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#061B24
Less saturated −25%#10171A

Channel breakdown

R11
G25
B31
Red11 (4.3%)
Green25 (9.8%)
Blue31 (12.2%)
Hue198°
Saturation (HSL)47.62%
Lightness8.24%
Dominant channelBlue
Hex per channelR 0B · G 19 · B 1F

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Every value on this page was computed from “0b191f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.