#0B312D#0B312D

#0B312D is a dark, muted teal. Relative luminance 0.025; OKLCH L 28.5% C 0.043 H 185.2°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#0B312D
RGB	rgb(11, 49, 45)
HSL	hsl(174, 63%, 12%)
HSV	hsv(174, 78%, 19%)
CMYK	cmyk(77.6%, 0%, 8.2%, 80.8%)
CIE-LAB	lab(17.72, -14.35, -1.35)
CIE-LCH	lch(17.72, 14.41, 185.38°)
OKLab	oklab(28.55% -0.0425 -0.0039)
OKLCH	oklch(28.55% 0.043 185.2)
XYZ	xyz(1.7098, 2.4570, 2.8663)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B312D #310B0F

analogous

#0B311A #0B312D #0B2231

triadic

#0B312D #2D0B31 #312D0B

tetradic

#0B312D #1A0B31 #310B0F #22310B

square

#0B312D #1A0B31 #310B0F #22310B

split-complementary

#0B312D #310B22 #311A0B

monochromatic

#061917 #061917 #0B312D #16635B #219589

Accessibility & contrast

On white

14.08

#0B312D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0B312D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B312D

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B312D	#FFFFFF	#000000	##FFFFFF
##0B312D	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2D

Deuteranopia (green-blind)

#282A2D

Tritanopia (blue-blind)

#003230

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0b312d;
/* rgb */ color: rgb(11, 49, 45);
/* oklch */ color: oklch(28.5% 0.043 185.2);

Tailwind

colors: {
  custom: {
    50: '#506965',
    500: '#0b312d',
    950: '#000000',
  },
}

SCSS

$custom: #0b312d;
$custom-light: #506965;
$custom-dark: #000000;

JSON

{
  "hex": "#0b312d",
  "rgb": {
    "r": 11,
    "g": 49,
    "b": 45
  },
  "hsl": {
    "h": 173.684,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.28545,
    "c": 0.04264,
    "h": 185.2
  },
  "luminance": 0.02457
}

Semantic roles & 50–950 ramp

primary

#0B312D

secondary

#6E2A31

accent

#4153E6

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020605

muted

#787A7A

Preview Lab

Preview with #0B312D

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

Preview Lab → · Contrast checker → · Palette generator →