#0B3F3D#0B3F3D

#0B3F3D is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.052 H 191.1°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#0B3F3D
RGB	rgb(11, 63, 61)
HSL	hsl(178, 70%, 15%)
HSV	hsv(178, 83%, 25%)
CMYK	cmyk(82.5%, 0%, 3.2%, 75.3%)
CIE-LAB	lab(23.55, -16.83, -3.59)
CIE-LCH	lch(23.55, 17.21, 192.05°)
OKLab	oklab(33.47% -0.0512 -0.01)
OKLCH	oklch(33.47% 0.052 191.1)
XYZ	xyz(2.7574, 3.9628, 5.0335)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3F3D #3F0B0D

analogous

#0B3F23 #0B3F3D #0B273F

triadic

#0B3F3D #3D0B3F #3F3D0B

tetradic

#0B3F3D #230B3F #3F0B0D #273F0B

square

#0B3F3D #230B3F #3F0B0D #273F0B

split-complementary

#0B3F3D #3F0B27 #3F230B

monochromatic

#051A19 #051A19 #0B3F3D #14736F #1DA7A2

Accessibility & contrast

On white

11.71

#0B3F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0B3F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3F3D

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3F3D	#FFFFFF	#000000	##FFFFFF
##0B3F3D	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3D

Deuteranopia (green-blind)

#33363D

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0b3f3d;
/* rgb */ color: rgb(11, 63, 61);
/* oklch */ color: oklch(33.5% 0.052 191.1);

Tailwind

colors: {
  custom: {
    50: '#557472',
    500: '#0b3f3d',
    950: '#000000',
  },
}

SCSS

$custom: #0b3f3d;
$custom-light: #557472;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3f3d",
  "rgb": {
    "r": 11,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 177.692,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33468,
    "c": 0.05216,
    "h": 191.1
  },
  "luminance": 0.03963
}

Semantic roles & 50–950 ramp

primary

#0B3F3D

secondary

#7C2A2D

accent

#3B42ED

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B3F3D

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

Preview Lab → · Contrast checker → · Palette generator →