#0B2152#0B2152

#0B2152 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.5% C 0.094 H 263.2°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#0B2152
RGB	rgb(11, 33, 82)
HSL	hsl(221, 76%, 18%)
HSV	hsv(221, 87%, 32%)
CMYK	cmyk(86.6%, 59.8%, 0%, 67.8%)
CIE-LAB	lab(14.22, 12.34, -32.38)
CIE-LCH	lch(14.22, 34.65, 290.86°)
OKLab	oklab(26.49% -0.0111 -0.0934)
OKLCH	oklch(26.49% 0.094 263.2)
XYZ	xyz(2.2043, 1.7678, 8.2060)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2152 #523C0B

analogous

#0B4452 #0B2152 #180B52

triadic

#0B2152 #520B21 #21520B

tetradic

#0B2152 #520B44 #523C0B #0B5218

square

#0B2152 #520B44 #523C0B #0B5218

split-complementary

#0B2152 #52180B #44520B

monochromatic

#040B1B #040B1C #0B2152 #123788 #194CBE

Accessibility & contrast

On white

15.51

#0B2152 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0B2152 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2152

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2152	#FFFFFF	#000000	##FFFFFF
##0B2152	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002754

Deuteranopia (green-blind)

#002151

Tritanopia (blue-blind)

#002D35

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0b2152;
/* rgb */ color: rgb(11, 33, 82);
/* oklch */ color: oklch(26.5% 0.094 263.2);

Tailwind

colors: {
  custom: {
    50: '#585b83',
    500: '#0b2152',
    950: '#000000',
  },
}

SCSS

$custom: #0b2152;
$custom-light: #585b83;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2152",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 82
  },
  "hsl": {
    "h": 221.408,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.26486,
    "c": 0.09407,
    "h": 263.2
  },
  "luminance": 0.01768
}

Semantic roles & 50–950 ramp

primary

#0B2152

secondary

#8E6F2B

accent

#B835F3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040A

muted

#79797C

Preview Lab

Preview with #0B2152

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

Preview Lab → · Contrast checker → · Palette generator →