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Recognised as Colour

#0B012D

  • #0B012D
  • Blue
  • Dark
  • Nearest: Black

#0B012D is a blue with RGB values 11, 1, 45 and HSL 254°, 96%, 9%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B012D#0B012D
HEX#0B012D
RGBrgb(11, 1, 45)
RGB (0–1)0.0431, 0.0039, 0.1765
RGB percentages4.3%, 0.4%, 17.6%
HSLhsl(253.6, 95.7%, 9%)
HSV / HSBhsv(253.6, 97.8%, 17.6%)
CMYK75.6%, 97.8%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer721,197
CSS custom property--colour: #0B012D;

Brightness & contrast

Relative luminance0.00282WCAG 2.x, 0 is black and 1 is white
Perceived brightness16.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.88:1
Contrast with white19.88:1WCAG normal text: AAA
Contrast with black1.06:1WCAG normal text: Fail
Greyscale equivalent#060606
Inverted#F4FED2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000B2Eno red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#00082Cno green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#000D16no blue cones; rare, and affects men and women equally; ΔE 24.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.88:1WCAG large text: AAA
Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Black · ΔE 28.9Midnight blue · ΔE 32.9Dark slateblue · ΔE 35.1Dark slate grey · ΔE 44.3Rebecca purple · ΔE 47.1Indigo · ΔE 50.1
Nearest named CSS colourBlack (#000000)ΔE 28.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#232D01
Analogous#010D2D, #21012D
Triadic#2D0B01, #012D0B
Split complementary#2D2101, #0D2D01
Tetradic#2D010D, #232D01, #012D21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3C05F5
Lighter +30%#3004C3
Lighter +20%#230391
Lighter +10%#17025F
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A002E
Less saturated −25%#0E0727

Channel breakdown

R11
G1
B45
Red11 (4.3%)
Green1 (0.4%)
Blue45 (17.6%)
Hue253.64°
Saturation (HSL)95.65%
Lightness9.02%
Dominant channelBlue
Hex per channelR 0B · G 01 · B 2D

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Every value on this page was computed from “0b012d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.