#0B153C#0B153C

#0B153C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.076 H 268.3°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#0B153C
RGB	rgb(11, 21, 60)
HSL	hsl(228, 69%, 14%)
HSV	hsv(228, 82%, 24%)
CMYK	cmyk(81.7%, 65%, 0%, 76.5%)
CIE-LAB	lab(8.43, 11.83, -26.47)
CIE-LCH	lch(8.43, 28.99, 294.09°)
OKLab	oklab(21.5% -0.0022 -0.0763)
OKLCH	oklch(21.5% 0.076 268.3)
XYZ	xyz(1.2215, 0.9336, 4.3899)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B153C #3C320B

analogous

#0B2E3C #0B153C #1A0B3C

triadic

#0B153C #3C0B15 #153C0B

tetradic

#0B153C #3C0B2E #3C320B #0B3C1A

square

#0B153C #3C0B2E #3C320B #0B3C1A

split-complementary

#0B153C #3C1A0B #2E3C0B

monochromatic

#05091A #05091A #0B153C #142770 #1E39A3

Accessibility & contrast

On white

17.69

#0B153C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B153C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B153C

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B153C	#FFFFFF	#000000	##FFFFFF
##0B153C	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3D

Deuteranopia (green-blind)

#00163B

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b153c;
/* rgb */ color: rgb(11, 21, 60);
/* oklch */ color: oklch(21.5% 0.076 268.3);

Tailwind

colors: {
  custom: {
    50: '#525172',
    500: '#0b153c',
    950: '#000000',
  },
}

SCSS

$custom: #0b153c;
$custom-light: #525172;
$custom-dark: #000000;

JSON

{
  "hex": "#0b153c",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 60
  },
  "hsl": {
    "h": 227.755,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.21502,
    "c": 0.07629,
    "h": 268.3
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary

#0B153C

secondary

#79692A

accent

#C83CEC

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #0B153C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →