#0A3443#0A3443

#0A3443 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.5% C 0.052 H 226.7°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#0A3443
RGB	rgb(10, 52, 67)
HSL	hsl(196, 74%, 15%)
HSV	hsv(196, 85%, 26%)
CMYK	cmyk(85.1%, 22.4%, 0%, 73.7%)
CIE-LAB	lab(19.74, -8.07, -13.41)
CIE-LCH	lch(19.74, 15.65, 238.94°)
OKLab	oklab(30.47% -0.0355 -0.0376)
OKLCH	oklch(30.47% 0.052 226.7)
XYZ	xyz(2.3659, 2.9255, 5.7491)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3443 #43190A

analogous

#0A4335 #0A3443 #0A1843

triadic

#0A3443 #430A34 #34430A

tetradic

#0A3443 #350A43 #43190A #18430A

square

#0A3443 #350A43 #43190A #18430A

split-complementary

#0A3443 #430A18 #43350A

monochromatic

#04151B #04151B #0A3443 #125D78 #1A87AE

Accessibility & contrast

On white

13.25

#0A3443 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0A3443 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3443

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3443	#FFFFFF	#000000	##FFFFFF
##0A3443	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3344

Deuteranopia (green-blind)

#242D43

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0a3443;
/* rgb */ color: rgb(10, 52, 67);
/* oklch */ color: oklch(30.5% 0.052 226.7);

Tailwind

colors: {
  custom: {
    50: '#546b77',
    500: '#0a3443',
    950: '#000000',
  },
}

SCSS

$custom: #0a3443;
$custom-light: #546b77;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3443",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 195.789,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30473,
    "c": 0.05172,
    "h": 226.7
  },
  "luminance": 0.02926
}

Semantic roles & 50–950 ramp

primary

#0A3443

secondary

#804029

accent

#6837F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3443

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

Preview Lab → · Contrast checker → · Palette generator →