#0B4243#0B4243

#0B4243 is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.6% C 0.054 H 196.8°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#0B4243
RGB	rgb(11, 66, 67)
HSL	hsl(181, 72%, 15%)
HSV	hsv(181, 84%, 26%)
CMYK	cmyk(83.6%, 1.5%, 0%, 73.7%)
CIE-LAB	lab(24.87, -16.42, -5.60)
CIE-LCH	lch(24.87, 17.35, 198.85°)
OKLab	oklab(34.61% -0.0516 -0.0156)
OKLCH	oklch(34.61% 0.054 196.8)
XYZ	xyz(3.0989, 4.3724, 5.9897)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4243 #430C0B

analogous

#0B4328 #0B4243 #0B2643

triadic

#0B4243 #430B42 #42430B

tetradic

#0B4243 #280B43 #430C0B #26430B

square

#0B4243 #280B43 #430C0B #26430B

split-complementary

#0B4243 #430B26 #43280B

monochromatic

#041A1A #041A1A #0B4243 #147678 #1CAAAC

Accessibility & contrast

On white

11.20

#0B4243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#0B4243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4243

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4243	#FFFFFF	#000000	##FFFFFF
##0B4243	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3E43

Deuteranopia (green-blind)

#353943

Tritanopia (blue-blind)

#004542

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0b4243;
/* rgb */ color: rgb(11, 66, 67);
/* oklch */ color: oklch(34.6% 0.054 196.8);

Tailwind

colors: {
  custom: {
    50: '#567677',
    500: '#0b4243',
    950: '#000000',
  },
}

SCSS

$custom: #0b4243;
$custom-light: #567677;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4243",
  "rgb": {
    "r": 11,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 181.071,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34612,
    "c": 0.05386,
    "h": 196.8
  },
  "luminance": 0.04373
}

Semantic roles & 50–950 ramp

primary

#0B4243

secondary

#802C2A

accent

#3D39EF

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B4243

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

Preview Lab → · Contrast checker → · Palette generator →