#0B3F45#0B3F45

#0B3F45 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.8% C 0.053 H 206.6°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#0B3F45
RGB	rgb(11, 63, 69)
HSL	hsl(186, 73%, 16%)
HSV	hsv(186, 84%, 27%)
CMYK	cmyk(84.1%, 8.7%, 0%, 72.9%)
CIE-LAB	lab(23.85, -13.96, -8.45)
CIE-LCH	lch(23.85, 16.32, 211.20°)
OKLab	oklab(33.82% -0.047 -0.0235)
OKLCH	oklch(33.82% 0.053 206.6)
XYZ	xyz(2.9892, 4.0555, 6.2543)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3F45 #45110B

analogous

#0B452E #0B3F45 #0B2245

triadic

#0B3F45 #450B3F #3F450B

tetradic

#0B3F45 #2E0B45 #45110B #22450B

square

#0B3F45 #2E0B45 #45110B #22450B

split-complementary

#0B3F45 #450B22 #452E0B

monochromatic

#04181A #04181A #0B3F45 #136F7A #1C9FAF

Accessibility & contrast

On white

11.59

#0B3F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0B3F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3F45

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3F45	#FFFFFF	#000000	##FFFFFF
##0B3F45	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393C45

Deuteranopia (green-blind)

#313645

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b3f45;
/* rgb */ color: rgb(11, 63, 69);
/* oklch */ color: oklch(33.8% 0.053 206.6);

Tailwind

colors: {
  custom: {
    50: '#567478',
    500: '#0b3f45',
    950: '#000000',
  },
}

SCSS

$custom: #0b3f45;
$custom-light: #567478;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3f45",
  "rgb": {
    "r": 11,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 186.207,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33818,
    "c": 0.05255,
    "h": 206.6
  },
  "luminance": 0.04056
}

Semantic roles & 50–950 ramp

primary

#0B3F45

secondary

#81332A

accent

#4B39EF

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030809

muted

#787B7B

Preview Lab

Preview with #0B3F45

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

Preview Lab → · Contrast checker → · Palette generator →