#0B3945#0B3945

#0B3945 is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.052 H 219.5°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#0B3945
RGB	rgb(11, 57, 69)
HSL	hsl(192, 73%, 16%)
HSV	hsv(192, 84%, 27%)
CMYK	cmyk(84.1%, 17.4%, 0%, 72.9%)
CIE-LAB	lab(21.68, -10.32, -11.77)
CIE-LCH	lch(21.68, 15.65, 228.77°)
OKLab	oklab(32.06% -0.0399 -0.0329)
OKLCH	oklch(32.06% 0.052 219.5)
XYZ	xyz(2.6749, 3.4268, 6.1495)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3945 #45170B

analogous

#0B4534 #0B3945 #0B1C45

triadic

#0B3945 #450B39 #39450B

tetradic

#0B3945 #340B45 #45170B #1C450B

square

#0B3945 #340B45 #45170B #1C450B

split-complementary

#0B3945 #450B1C #45340B

monochromatic

#04161A #04161A #0B3945 #13657A #1C90AF

Accessibility & contrast

On white

12.46

#0B3945 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0B3945 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3945

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3945	#FFFFFF	#000000	##FFFFFF
##0B3945	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323746

Deuteranopia (green-blind)

#2A3145

Tritanopia (blue-blind)

#003D3D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0b3945;
/* rgb */ color: rgb(11, 57, 69);
/* oklch */ color: oklch(32.1% 0.052 219.5);

Tailwind

colors: {
  custom: {
    50: '#556f78',
    500: '#0b3945',
    950: '#000000',
  },
}

SCSS

$custom: #0b3945;
$custom-light: #556f78;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3945",
  "rgb": {
    "r": 11,
    "g": 57,
    "b": 69
  },
  "hsl": {
    "h": 192.414,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.32064,
    "c": 0.05175,
    "h": 219.5
  },
  "luminance": 0.03427
}

Semantic roles & 50–950 ramp

primary

#0B3945

secondary

#813C2A

accent

#5E39EF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3945

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

Preview Lab → · Contrast checker → · Palette generator →