#0B3733#0B3733

#0B3733 is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.6% C 0.047 H 186.3°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#0B3733
RGB	rgb(11, 55, 51)
HSL	hsl(175, 67%, 13%)
HSV	hsv(175, 80%, 22%)
CMYK	cmyk(80%, 0%, 7.3%, 78.4%)
CIE-LAB	lab(20.21, -15.75, -1.80)
CIE-LCH	lch(20.21, 15.86, 186.53°)
OKLab	oklab(30.64% -0.0468 -0.0051)
OKLCH	oklch(30.64% 0.047 186.3)
XYZ	xyz(2.1015, 3.0423, 3.6078)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3733 #370B0F

analogous

#0B371D #0B3733 #0B2537

triadic

#0B3733 #330B37 #37330B

tetradic

#0B3733 #1D0B37 #370B0F #25370B

square

#0B3733 #1D0B37 #370B0F #25370B

split-complementary

#0B3733 #370B25 #371D0B

monochromatic

#051A18 #051A18 #0B3733 #156A62 #1F9D92

Accessibility & contrast

On white

13.05

#0B3733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0B3733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3733

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3733	#FFFFFF	#000000	##FFFFFF
##0B3733	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343333

Deuteranopia (green-blind)

#2D2F33

Tritanopia (blue-blind)

#003836

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3733;
/* rgb */ color: rgb(11, 55, 51);
/* oklch */ color: oklch(30.6% 0.047 186.3);

Tailwind

colors: {
  custom: {
    50: '#526e6a',
    500: '#0b3733',
    950: '#000000',
  },
}

SCSS

$custom: #0b3733;
$custom-light: #526e6a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3733",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 174.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30639,
    "c": 0.04708,
    "h": 186.3
  },
  "luminance": 0.03043
}

Semantic roles & 50–950 ramp

primary

#0B3733

secondary

#742A31

accent

#3E4EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020706

muted

#787A7A

Preview Lab

Preview with #0B3733

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

Preview Lab → · Contrast checker → · Palette generator →