#0B4B52#0B4B52

#0B4B52 is a dark, moderate teal. Relative luminance 0.057; OKLCH L 37.9% C 0.061 H 206.3°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#0B4B52
RGB	rgb(11, 75, 82)
HSL	hsl(186, 76%, 18%)
HSV	hsv(186, 87%, 32%)
CMYK	cmyk(86.6%, 8.5%, 0%, 67.8%)
CIE-LAB	lab(28.67, -16.12, -9.65)
CIE-LCH	lch(28.67, 18.79, 210.91°)
OKLab	oklab(37.89% -0.0543 -0.0269)
OKLCH	oklch(37.89% 0.061 206.3)
XYZ	xyz(4.1764, 5.7120, 8.8634)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4B52 #52120B

analogous

#0B5235 #0B4B52 #0B2752

triadic

#0B4B52 #520B4B #4B520B

tetradic

#0B4B52 #350B52 #52120B #27520B

square

#0B4B52 #350B52 #52120B #27520B

split-complementary

#0B4B52 #520B27 #52350B

monochromatic

#04191B #041A1C #0B4B52 #127C88 #19AEBE

Accessibility & contrast

On white

9.80

#0B4B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#0B4B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4B52

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4B52	#FFFFFF	#000000	##FFFFFF
##0B4B52	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444852

Deuteranopia (green-blind)

#3A4152

Tritanopia (blue-blind)

#004F4D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0b4b52;
/* rgb */ color: rgb(11, 75, 82);
/* oklch */ color: oklch(37.9% 0.061 206.3);

Tailwind

colors: {
  custom: {
    50: '#597d82',
    500: '#0b4b52',
    950: '#000000',
  },
}

SCSS

$custom: #0b4b52;
$custom-light: #597d82;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4b52",
  "rgb": {
    "r": 11,
    "g": 75,
    "b": 82
  },
  "hsl": {
    "h": 185.915,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.37889,
    "c": 0.06058,
    "h": 206.3
  },
  "luminance": 0.05712
}

Semantic roles & 50–950 ramp

primary

#0B4B52

secondary

#8E352B

accent

#4835F3

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #0B4B52

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

Preview Lab → · Contrast checker → · Palette generator →