#0B3D43#0B3D43

#0B3D43 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.051 H 207.0°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#0B3D43
RGB	rgb(11, 61, 67)
HSL	hsl(186, 72%, 15%)
HSV	hsv(186, 84%, 26%)
CMYK	cmyk(83.6%, 9%, 0%, 73.7%)
CIE-LAB	lab(23.05, -13.52, -8.35)
CIE-LCH	lch(23.05, 15.89, 211.70°)
OKLab	oklab(33.14% -0.0457 -0.0232)
OKLCH	oklch(33.14% 0.051 207)
XYZ	xyz(2.8194, 3.8135, 5.8966)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3D43 #43110B

analogous

#0B432D #0B3D43 #0B2143

triadic

#0B3D43 #430B3D #3D430B

tetradic

#0B3D43 #2D0B43 #43110B #21430B

square

#0B3D43 #2D0B43 #43110B #21430B

split-complementary

#0B3D43 #430B21 #432D0B

monochromatic

#04181A #04181A #0B3D43 #146D78 #1C9DAC

Accessibility & contrast

On white

11.91

#0B3D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0B3D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D43

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3D43	#FFFFFF	#000000	##FFFFFF
##0B3D43	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373A43

Deuteranopia (green-blind)

#2F3543

Tritanopia (blue-blind)

#00403F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3d43;
/* rgb */ color: rgb(11, 61, 67);
/* oklch */ color: oklch(33.1% 0.051 207.0);

Tailwind

colors: {
  custom: {
    50: '#557277',
    500: '#0b3d43',
    950: '#000000',
  },
}

SCSS

$custom: #0b3d43;
$custom-light: #557277;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3d43",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 186.429,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.33137,
    "c": 0.05121,
    "h": 207
  },
  "luminance": 0.03814
}

Semantic roles & 50–950 ramp

primary

#0B3D43

secondary

#80332A

accent

#4D39EF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B3D43

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

Preview Lab → · Contrast checker → · Palette generator →