#0B3D40#0B3D40

#0B3D40 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.051 H 201.0°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#0B3D40
RGB	rgb(11, 61, 64)
HSL	hsl(183, 71%, 15%)
HSV	hsv(183, 83%, 25%)
CMYK	cmyk(82.8%, 4.7%, 0%, 74.9%)
CIE-LAB	lab(22.93, -14.62, -6.53)
CIE-LCH	lch(22.93, 16.01, 204.05°)
OKLab	oklab(33% -0.0472 -0.0181)
OKLCH	oklch(33% 0.051 201)
XYZ	xyz(2.7318, 3.7785, 5.4348)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3D40 #400E0B

analogous

#0B4029 #0B3D40 #0B2340

triadic

#0B3D40 #400B3D #3D400B

tetradic

#0B3D40 #290B40 #400E0B #23400B

square

#0B3D40 #290B40 #400E0B #23400B

split-complementary

#0B3D40 #400B23 #40290B

monochromatic

#04191A #04191A #0B3D40 #146F74 #1DA1A8

Accessibility & contrast

On white

11.96

#0B3D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0B3D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D40

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3D40	#FFFFFF	#000000	##FFFFFF
##0B3D40	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A40

Deuteranopia (green-blind)

#303440

Tritanopia (blue-blind)

#00403E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3d40;
/* rgb */ color: rgb(11, 61, 64);
/* oklch */ color: oklch(33.0% 0.051 201.0);

Tailwind

colors: {
  custom: {
    50: '#557274',
    500: '#0b3d40',
    950: '#000000',
  },
}

SCSS

$custom: #0b3d40;
$custom-light: #557274;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3d40",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 183.396,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33,
    "c": 0.05054,
    "h": 201
  },
  "luminance": 0.03779
}

Semantic roles & 50–950 ramp

primary

#0B3D40

secondary

#7D2F2A

accent

#443AED

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B3D40

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

Preview Lab → · Contrast checker → · Palette generator →