#0A343B#0A343B

#0A343B is a dark, muted teal. Relative luminance 0.028; OKLCH L 30.1% C 0.046 H 211.1°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#0A343B
RGB	rgb(10, 52, 59)
HSL	hsl(189, 71%, 14%)
HSV	hsv(189, 83%, 23%)
CMYK	cmyk(83.1%, 11.9%, 0%, 76.9%)
CIE-LAB	lab(19.37, -11.24, -8.52)
CIE-LCH	lch(19.37, 14.11, 217.16°)
OKLab	oklab(30.06% -0.0393 -0.0237)
OKLCH	oklch(30.06% 0.046 211.1)
XYZ	xyz(2.1422, 2.8360, 4.5713)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A343B #3B110A

analogous

#0A3B29 #0A343B #0A1B3B

triadic

#0A343B #3B0A34 #343B0A

tetradic

#0A343B #290A3B #3B110A #1B3B0A

square

#0A343B #290A3B #3B110A #1B3B0A

split-complementary

#0A343B #3B0A1B #3B290A

monochromatic

#04171A #04171A #0A343B #13626F #1C90A4

Accessibility & contrast

On white

13.40

#0A343B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#0A343B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A343B

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A343B	#FFFFFF	#000000	##FFFFFF
##0A343B	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323B

Deuteranopia (green-blind)

#272D3B

Tritanopia (blue-blind)

#003736

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a343b;
/* rgb */ color: rgb(10, 52, 59);
/* oklch */ color: oklch(30.1% 0.046 211.1);

Tailwind

colors: {
  custom: {
    50: '#526b70',
    500: '#0a343b',
    950: '#000000',
  },
}

SCSS

$custom: #0a343b;
$custom-light: #526b70;
$custom-dark: #000000;

JSON

{
  "hex": "#0a343b",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 188.571,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.30056,
    "c": 0.04592,
    "h": 211.1
  },
  "luminance": 0.02836
}

Semantic roles & 50–950 ramp

primary

#0A343B

secondary

#783428

accent

#543AEE

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0A343B

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

Preview Lab → · Contrast checker → · Palette generator →