#0B3531#0B3531

#0B3531 is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.9% C 0.046 H 185.9°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#0B3531
RGB	rgb(11, 53, 49)
HSL	hsl(174, 66%, 13%)
HSV	hsv(174, 79%, 21%)
CMYK	cmyk(79.2%, 0%, 7.5%, 79.2%)
CIE-LAB	lab(19.39, -15.30, -1.65)
CIE-LCH	lch(19.39, 15.39, 186.17°)
OKLab	oklab(29.94% -0.0454 -0.0047)
OKLCH	oklch(29.94% 0.046 185.9)
XYZ	xyz(1.9652, 2.8389, 3.3495)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3531 #350B0F

analogous

#0B351C #0B3531 #0B2435

triadic

#0B3531 #310B35 #35310B

tetradic

#0B3531 #1C0B35 #350B0F #24350B

square

#0B3531 #1C0B35 #350B0F #24350B

split-complementary

#0B3531 #350B24 #351C0B

monochromatic

#051917 #051917 #0B3531 #166860 #209A8F

Accessibility & contrast

On white

13.39

#0B3531 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#0B3531 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3531

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3531	#FFFFFF	#000000	##FFFFFF
##0B3531	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323231

Deuteranopia (green-blind)

#2C2D31

Tritanopia (blue-blind)

#003634

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0b3531;
/* rgb */ color: rgb(11, 53, 49);
/* oklch */ color: oklch(29.9% 0.046 185.9);

Tailwind

colors: {
  custom: {
    50: '#516c69',
    500: '#0b3531',
    950: '#000000',
  },
}

SCSS

$custom: #0b3531;
$custom-light: #516c69;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3531",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 174.286,
    "s": 65.625,
    "l": 12.549
  },
  "oklch": {
    "l": 0.29944,
    "c": 0.04562,
    "h": 185.9
  },
  "luminance": 0.02839
}

Semantic roles & 50–950 ramp

primary

#0B3531

secondary

#722A31

accent

#3F4FE9

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020706

muted

#787A7A

Preview Lab

Preview with #0B3531

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

Preview Lab → · Contrast checker → · Palette generator →