#0A3B49#0A3B49

#0A3B49 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.8% C 0.055 H 221.9°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#0A3B49
RGB	rgb(10, 59, 73)
HSL	hsl(193, 76%, 16%)
HSV	hsv(193, 86%, 29%)
CMYK	cmyk(86.3%, 19.2%, 0%, 71.4%)
CIE-LAB	lab(22.56, -10.13, -13.09)
CIE-LCH	lch(22.56, 16.55, 232.29°)
OKLab	oklab(32.83% -0.0409 -0.0367)
OKLCH	oklch(32.83% 0.055 221.9)
XYZ	xyz(2.8912, 3.6731, 6.8586)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3B49 #49180A

analogous

#0A4938 #0A3B49 #0A1C49

triadic

#0A3B49 #490A3B #3B490A

tetradic

#0A3B49 #380A49 #49180A #1C490A

square

#0A3B49 #380A49 #49180A #1C490A

split-complementary

#0A3B49 #490A1C #49380A

monochromatic

#04161B #04161B #0A3B49 #11677F #1992B5

Accessibility & contrast

On white

12.11

#0A3B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0A3B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3B49

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3B49	#FFFFFF	#000000	##FFFFFF
##0A3B49	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33394A

Deuteranopia (green-blind)

#2A3349

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0a3b49;
/* rgb */ color: rgb(10, 59, 73);
/* oklch */ color: oklch(32.8% 0.055 221.9);

Tailwind

colors: {
  custom: {
    50: '#55717b',
    500: '#0a3b49',
    950: '#000000',
  },
}

SCSS

$custom: #0a3b49;
$custom-light: #55717b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3b49",
  "rgb": {
    "r": 10,
    "g": 59,
    "b": 73
  },
  "hsl": {
    "h": 193.333,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.32826,
    "c": 0.05492,
    "h": 221.9
  },
  "luminance": 0.03673
}

Semantic roles & 50–950 ramp

primary

#0A3B49

secondary

#863E29

accent

#5F35F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0A3B49

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

Preview Lab → · Contrast checker → · Palette generator →