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Colour

#0B101D

  • #0B101D
  • Blue
  • Dark
  • Nearest: Black

#0B101D is a blue with RGB values 11, 16, 29 and HSL 223°, 45%, 8%. It is a dark colour, so white text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B101D#0B101D
HEX#0B101D
RGBrgb(11, 16, 29)
RGB (0–1)0.0431, 0.0627, 0.1137
RGB percentages4.3%, 6.3%, 11.4%
HSLhsl(223.3, 45%, 7.8%)
HSV / HSBhsv(223.3, 62.1%, 11.4%)
CMYK62.1%, 44.8%, 0%, 88.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer725,021
CSS custom property--colour: #0B101D;

Brightness & contrast

Relative luminance0.0053WCAG 2.x, 0 is black and 1 is white
Perceived brightness16.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.99:1
Contrast with white18.99:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#F4EFE2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B111Eno red cones; affects about 1% of men; ΔE 0.5 from the original
Deuteranopia#0A101Dno green cones; the most common form, about 1% of men; ΔE 0.3 from the original
Tritanopia#051315no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.99:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Black · ΔE 10.4Dark slate grey · ΔE 30.1Dim grey · ΔE 40.7Slate grey · ΔE 48.2Dark slateblue · ΔE 48.6Gray · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 10.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1D180B
Analogous#0B191D, #0F0B1D
Triadic#1D0B10, #101D0B
Split complementary#1D0F0B, #191D0B
Tetradic#1D0B19, #1D180B, #0B1D0F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4362B1
Lighter +30%#354D8C
Lighter +20%#273967
Lighter +10%#192442
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#060E22
Less saturated −25%#101218

Channel breakdown

R11
G16
B29
Red11 (4.3%)
Green16 (6.3%)
Blue29 (11.4%)
Hue223.33°
Saturation (HSL)45%
Lightness7.84%
Dominant channelBlue
Hex per channelR 0B · G 10 · B 1D

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Every value on this page was computed from “0b101d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.