#0B3A43#0B3A43

#0B3A43 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.3% C 0.050 H 213.5°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A43
RGB	rgb(11, 58, 67)
HSL	hsl(190, 72%, 15%)
HSV	hsv(190, 84%, 26%)
CMYK	cmyk(83.6%, 13.4%, 0%, 73.7%)
CIE-LAB	lab(21.95, -11.71, -10.01)
CIE-LCH	lch(21.95, 15.41, 220.52°)
OKLab	oklab(32.26% -0.0421 -0.0279)
OKLCH	oklch(32.26% 0.05 213.5)
XYZ	xyz(2.6638, 3.5022, 5.8447)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A43 #43140B

analogous

#0B4330 #0B3A43 #0B1E43

triadic

#0B3A43 #430B3A #3A430B

tetradic

#0B3A43 #300B43 #43140B #1E430B

square

#0B3A43 #300B43 #43140B #1E430B

split-complementary

#0B3A43 #430B1E #43300B

monochromatic

#04171A #04171A #0B3A43 #146878 #1C95AC

Accessibility & contrast

On white

12.35

#0B3A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#0B3A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A43

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A43	#FFFFFF	#000000	##FFFFFF
##0B3A43	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333844

Deuteranopia (green-blind)

#2C3243

Tritanopia (blue-blind)

#003D3D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0b3a43;
/* rgb */ color: rgb(11, 58, 67);
/* oklch */ color: oklch(32.3% 0.050 213.5);

Tailwind

colors: {
  custom: {
    50: '#557077',
    500: '#0b3a43',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a43;
$custom-light: #557077;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a43",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 67
  },
  "hsl": {
    "h": 189.643,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.32255,
    "c": 0.05049,
    "h": 213.5
  },
  "luminance": 0.03503
}

Semantic roles & 50–950 ramp

primary

#0B3A43

secondary

#80382A

accent

#5639EF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0B3A43

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

Preview Lab → · Contrast checker → · Palette generator →