#0B2B43#0B2B43

#0B2B43 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.058 H 244.9°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B43
RGB	rgb(11, 43, 67)
HSL	hsl(206, 72%, 15%)
HSV	hsv(206, 84%, 26%)
CMYK	cmyk(83.6%, 35.8%, 0%, 73.7%)
CIE-LAB	lab(16.52, -1.81, -18.43)
CIE-LCH	lch(16.52, 18.52, 264.39°)
OKLab	oklab(27.92% -0.0244 -0.0522)
OKLCH	oklch(27.92% 0.058 244.9)
XYZ	xyz(2.0146, 2.2039, 5.6283)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B43 #43230B

analogous

#0B433F #0B2B43 #0B0F43

triadic

#0B2B43 #430B2B #2B430B

tetradic

#0B2B43 #3F0B43 #43230B #0F430B

square

#0B2B43 #3F0B43 #43230B #0F430B

split-complementary

#0B2B43 #430B0F #433F0B

monochromatic

#04111A #04111A #0B2B43 #144D78 #1C6EAC

Accessibility & contrast

On white

14.58

#0B2B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#0B2B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B43

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B43	#FFFFFF	#000000	##FFFFFF
##0B2B43	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202C44

Deuteranopia (green-blind)

#182743

Tritanopia (blue-blind)

#003134

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0b2b43;
/* rgb */ color: rgb(11, 43, 67);
/* oklch */ color: oklch(27.9% 0.058 244.9);

Tailwind

colors: {
  custom: {
    50: '#536477',
    500: '#0b2b43',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b43;
$custom-light: #536477;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b43",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 67
  },
  "hsl": {
    "h": 205.714,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.27922,
    "c": 0.05768,
    "h": 244.9
  },
  "luminance": 0.02204
}

Semantic roles & 50–950 ramp

primary

#0B2B43

secondary

#804F2A

accent

#8739EF

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0B2B43

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

Preview Lab → · Contrast checker → · Palette generator →