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Recognised as Colour

#0B152D

  • #0B152D
  • Blue
  • Dark
  • Nearest: Black

#0B152D is a blue with RGB values 11, 21, 45 and HSL 222°, 61%, 11%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B152D#0B152D
HEX#0B152D
RGBrgb(11, 21, 45)
RGB (0–1)0.0431, 0.0824, 0.1765
RGB percentages4.3%, 8.2%, 17.6%
HSLhsl(222.4, 60.7%, 11%)
HSV / HSBhsv(222.4, 75.6%, 17.6%)
CMYK75.6%, 53.3%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer726,317
CSS custom property--colour: #0B152D;

Brightness & contrast

Relative luminance0.00797WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.11:1
Contrast with white18.11:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#F4EAD2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A182Eno red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#06142Cno green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#001A1Eno blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.11:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 19.6Dark slate grey · ΔE 32.4Dark slateblue · ΔE 40.1Dim grey · ΔE 41.4Midnight blue · ΔE 42.6Slate grey · ΔE 46.7
Nearest named CSS colourBlack (#000000)ΔE 19.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D230B
Analogous#0B262D, #120B2D
Triadic#2D0B15, #152D0B
Split complementary#2D120B, #262D0B
Tetradic#2D0B26, #2D230B, #0B2D12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3663CE
Lighter +30%#294EA8
Lighter +20%#1F3B7F
Lighter +10%#152856
Darker −10%#010204
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#041234
Less saturated −25%#121826

Channel breakdown

R11
G21
B45
Red11 (4.3%)
Green21 (8.2%)
Blue45 (17.6%)
Hue222.35°
Saturation (HSL)60.71%
Lightness10.98%
Dominant channelBlue
Hex per channelR 0B · G 15 · B 2D

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Every value on this page was computed from “0b152d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.