#0B3138#0B3138

#0B3138 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.0% C 0.043 H 212.3°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#0B3138
RGB	rgb(11, 49, 56)
HSL	hsl(189, 67%, 13%)
HSV	hsv(189, 80%, 22%)
CMYK	cmyk(80.4%, 12.5%, 0%, 78%)
CIE-LAB	lab(18.16, -10.35, -8.31)
CIE-LCH	lch(18.16, 13.28, 218.75°)
OKLab	oklab(29.04% -0.0365 -0.0231)
OKLCH	oklch(29.04% 0.043 212.3)
XYZ	xyz(1.9498, 2.5531, 4.1306)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3138 #38120B

analogous

#0B3828 #0B3138 #0B1A38

triadic

#0B3138 #380B31 #31380B

tetradic

#0B3138 #280B38 #38120B #1A380B

square

#0B3138 #280B38 #38120B #1A380B

split-complementary

#0B3138 #380B1A #38280B

monochromatic

#05161A #05161A #0B3138 #155E6B #1F8B9E

Accessibility & contrast

On white

13.90

#0B3138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0B3138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3138

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3138	#FFFFFF	#000000	##FFFFFF
##0B3138	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2F38

Deuteranopia (green-blind)

#252A38

Tritanopia (blue-blind)

#003433

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0b3138;
/* rgb */ color: rgb(11, 49, 56);
/* oklch */ color: oklch(29.0% 0.043 212.3);

Tailwind

colors: {
  custom: {
    50: '#52696e',
    500: '#0b3138',
    950: '#000000',
  },
}

SCSS

$custom: #0b3138;
$custom-light: #52696e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3138",
  "rgb": {
    "r": 11,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 189.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2904,
    "c": 0.04323,
    "h": 212.3
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#0B3138

secondary

#75362A

accent

#593EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #0B3138

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

Preview Lab → · Contrast checker → · Palette generator →