#0B3840#0B3840

#0B3840 is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.5% C 0.049 H 212.2°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#0B3840
RGB	rgb(11, 56, 64)
HSL	hsl(189, 71%, 15%)
HSV	hsv(189, 83%, 25%)
CMYK	cmyk(82.8%, 12.5%, 0%, 74.9%)
CIE-LAB	lab(21.09, -11.64, -9.30)
CIE-LCH	lch(21.09, 14.90, 218.64°)
OKLab	oklab(31.52% -0.0412 -0.0259)
OKLCH	oklch(31.52% 0.049 212.2)
XYZ	xyz(2.4772, 3.2694, 5.3500)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3840 #40130B

analogous

#0B402E #0B3840 #0B1D40

triadic

#0B3840 #400B38 #38400B

tetradic

#0B3840 #2E0B40 #40130B #1D400B

square

#0B3840 #2E0B40 #40130B #1D400B

split-complementary

#0B3840 #400B1D #402E0B

monochromatic

#04171A #04171A #0B3840 #146674 #1D93A8

Accessibility & contrast

On white

12.70

#0B3840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0B3840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3840

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3840	#FFFFFF	#000000	##FFFFFF
##0B3840	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323640

Deuteranopia (green-blind)

#2A3040

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0b3840;
/* rgb */ color: rgb(11, 56, 64);
/* oklch */ color: oklch(31.5% 0.049 212.2);

Tailwind

colors: {
  custom: {
    50: '#546e74',
    500: '#0b3840',
    950: '#000000',
  },
}

SCSS

$custom: #0b3840;
$custom-light: #546e74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3840",
  "rgb": {
    "r": 11,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 189.057,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.31519,
    "c": 0.04863,
    "h": 212.2
  },
  "luminance": 0.0327
}

Semantic roles & 50–950 ramp

primary

#0B3840

secondary

#7D372A

accent

#553AED

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0B3840

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

Preview Lab → · Contrast checker → · Palette generator →