#0B3A3A#0B3A3A

#0B3A3A is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.048 H 195.0°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A3A
RGB	rgb(11, 58, 58)
HSL	hsl(180, 68%, 14%)
HSV	hsv(180, 81%, 23%)
CMYK	cmyk(81%, 0%, 0%, 77.3%)
CIE-LAB	lab(21.59, -15.04, -4.50)
CIE-LCH	lch(21.59, 15.70, 196.67°)
OKLab	oklab(31.84% -0.0467 -0.0125)
OKLCH	oklch(31.84% 0.048 195)
XYZ	xyz(2.4144, 3.4025, 4.5317)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A3A #3A0B0B

analogous

#0B3A22 #0B3A3A #0B223A

triadic

#0B3A3A #3A0B3A #3A3A0B

tetradic

#0B3A3A #220B3A #3A0B0B #223A0B

square

#0B3A3A #220B3A #3A0B0B #223A0B

split-complementary

#0B3A3A #3A0B22 #3A220B

monochromatic

#051A1A #051A1A #0B3A3A #156D6D #1FA1A1

Accessibility & contrast

On white

12.50

#0B3A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#0B3A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A3A

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A3A	#FFFFFF	#000000	##FFFFFF
##0B3A3A	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36373A

Deuteranopia (green-blind)

#2F323A

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0b3a3a;
/* rgb */ color: rgb(11, 58, 58);
/* oklch */ color: oklch(31.8% 0.048 195.0);

Tailwind

colors: {
  custom: {
    50: '#537070',
    500: '#0b3a3a',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a3a;
$custom-light: #537070;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a3a",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 180,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.31841,
    "c": 0.04836,
    "h": 195
  },
  "luminance": 0.03403
}

Semantic roles & 50–950 ramp

primary

#0B3A3A

secondary

#772A2A

accent

#3D3DEB

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #0B3A3A

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

Preview Lab → · Contrast checker → · Palette generator →