#0B3D3F#0B3D3F

#0B3D3F is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.050 H 199.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#0B3D3F
RGB	rgb(11, 61, 63)
HSL	hsl(182, 70%, 15%)
HSV	hsv(182, 83%, 25%)
CMYK	cmyk(82.5%, 3.2%, 0%, 75.3%)
CIE-LAB	lab(22.89, -14.98, -5.92)
CIE-LCH	lch(22.89, 16.11, 201.54°)
OKLab	oklab(32.96% -0.0477 -0.0164)
OKLCH	oklch(32.96% 0.05 199)
XYZ	xyz(2.7036, 3.7672, 5.2863)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3D3F #3F0D0B

analogous

#0B3F27 #0B3D3F #0B233F

triadic

#0B3D3F #3F0B3D #3D3F0B

tetradic

#0B3D3F #270B3F #3F0D0B #233F0B

square

#0B3D3F #270B3F #3F0D0B #233F0B

split-complementary

#0B3D3F #3F0B23 #3F270B

monochromatic

#05191A #05191A #0B3D3F #146F73 #1DA2A7

Accessibility & contrast

On white

11.98

#0B3D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#0B3D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D3F

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3D3F	#FFFFFF	#000000	##FFFFFF
##0B3D3F	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A3F

Deuteranopia (green-blind)

#30343F

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3d3f;
/* rgb */ color: rgb(11, 61, 63);
/* oklch */ color: oklch(33.0% 0.050 199.0);

Tailwind

colors: {
  custom: {
    50: '#547274',
    500: '#0b3d3f',
    950: '#000000',
  },
}

SCSS

$custom: #0b3d3f;
$custom-light: #547274;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3d3f",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 182.308,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.32956,
    "c": 0.05045,
    "h": 199
  },
  "luminance": 0.03768
}

Semantic roles & 50–950 ramp

primary

#0B3D3F

secondary

#7C2D2A

accent

#423BED

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B3D3F

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

Preview Lab → · Contrast checker → · Palette generator →