#0B153D#0B153D

#0B153D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.078 H 268.4°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#0B153D
RGB	rgb(11, 21, 61)
HSL	hsl(228, 69%, 14%)
HSV	hsv(228, 82%, 24%)
CMYK	cmyk(82%, 65.6%, 0%, 76.1%)
CIE-LAB	lab(8.52, 12.28, -27.03)
CIE-LCH	lch(8.52, 29.69, 294.43°)
OKLab	oklab(21.6% -0.0022 -0.0779)
OKLCH	oklch(21.6% 0.078 268.4)
XYZ	xyz(1.2482, 0.9443, 4.5305)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B153D #3D330B

analogous

#0B2E3D #0B153D #1A0B3D

triadic

#0B153D #3D0B15 #153D0B

tetradic

#0B153D #3D0B2E #3D330B #0B3D1A

square

#0B153D #3D0B2E #3D330B #0B3D1A

split-complementary

#0B153D #3D1A0B #2E3D0B

monochromatic

#05091A #05091A #0B153D #142771 #1E39A5

Accessibility & contrast

On white

17.66

#0B153D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B153D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B153D

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B153D	#FFFFFF	#000000	##FFFFFF
##0B153D	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3E

Deuteranopia (green-blind)

#00163C

Tritanopia (blue-blind)

#001F26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0b153d;
/* rgb */ color: rgb(11, 21, 61);
/* oklch */ color: oklch(21.6% 0.078 268.4);

Tailwind

colors: {
  custom: {
    50: '#525173',
    500: '#0b153d',
    950: '#000000',
  },
}

SCSS

$custom: #0b153d;
$custom-light: #525173;
$custom-dark: #000000;

JSON

{
  "hex": "#0b153d",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 61
  },
  "hsl": {
    "h": 228,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21601,
    "c": 0.07795,
    "h": 268.4
  },
  "luminance": 0.00944
}

Semantic roles & 50–950 ramp

primary

#0B153D

secondary

#7A6A2A

accent

#C93CEC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B153D

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

Preview Lab → · Contrast checker → · Palette generator →