#0A343D#0A343D

#0A343D is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.2% C 0.047 H 215.4°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#0A343D
RGB	rgb(10, 52, 61)
HSL	hsl(191, 72%, 14%)
HSV	hsv(191, 84%, 24%)
CMYK	cmyk(83.6%, 14.8%, 0%, 76.1%)
CIE-LAB	lab(19.46, -10.47, -9.75)
CIE-LCH	lch(19.46, 14.31, 222.98°)
OKLab	oklab(30.16% -0.0383 -0.0272)
OKLCH	oklch(30.16% 0.047 215.4)
XYZ	xyz(2.1951, 2.8572, 4.8498)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A343D #3D130A

analogous

#0A3D2D #0A343D #0A1B3D

triadic

#0A343D #3D0A34 #343D0A

tetradic

#0A343D #2D0A3D #3D130A #1B3D0A

square

#0A343D #2D0A3D #3D130A #1B3D0A

split-complementary

#0A343D #3D0A1B #3D2D0A

monochromatic

#04161A #04161A #0A343D #136172 #1B8EA6

Accessibility & contrast

On white

13.36

#0A343D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#0A343D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A343D

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A343D	#FFFFFF	#000000	##FFFFFF
##0A343D	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323E

Deuteranopia (green-blind)

#272D3D

Tritanopia (blue-blind)

#003737

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a343d;
/* rgb */ color: rgb(10, 52, 61);
/* oklch */ color: oklch(30.2% 0.047 215.4);

Tailwind

colors: {
  custom: {
    50: '#526b72',
    500: '#0a343d',
    950: '#000000',
  },
}

SCSS

$custom: #0a343d;
$custom-light: #526b72;
$custom-dark: #000000;

JSON

{
  "hex": "#0a343d",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 61
  },
  "hsl": {
    "h": 190.588,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.30156,
    "c": 0.04699,
    "h": 215.4
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#0A343D

secondary

#7A3728

accent

#5939EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A343D

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

Preview Lab → · Contrast checker → · Palette generator →