#0A3D49#0A3D49

#0A3D49 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.4% C 0.055 H 217.8°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#0A3D49
RGB	rgb(10, 61, 73)
HSL	hsl(191, 76%, 16%)
HSV	hsv(191, 86%, 29%)
CMYK	cmyk(86.3%, 16.4%, 0%, 71.4%)
CIE-LAB	lab(23.28, -11.37, -11.99)
CIE-LCH	lch(23.28, 16.52, 226.53°)
OKLab	oklab(33.41% -0.0432 -0.0335)
OKLCH	oklch(33.41% 0.055 217.8)
XYZ	xyz(2.9960, 3.8827, 6.8936)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3D49 #49160A

analogous

#0A4936 #0A3D49 #0A1E49

triadic

#0A3D49 #490A3D #3D490A

tetradic

#0A3D49 #360A49 #49160A #1E490A

square

#0A3D49 #360A49 #49160A #1E490A

split-complementary

#0A3D49 #490A1E #49360A

monochromatic

#04161B #04161B #0A3D49 #116A7F #1997B5

Accessibility & contrast

On white

11.82

#0A3D49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0A3D49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3D49

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3D49	#FFFFFF	#000000	##FFFFFF
##0A3D49	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4A

Deuteranopia (green-blind)

#2D3549

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0a3d49;
/* rgb */ color: rgb(10, 61, 73);
/* oklch */ color: oklch(33.4% 0.055 217.8);

Tailwind

colors: {
  custom: {
    50: '#56727b',
    500: '#0a3d49',
    950: '#000000',
  },
}

SCSS

$custom: #0a3d49;
$custom-light: #56727b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3d49",
  "rgb": {
    "r": 10,
    "g": 61,
    "b": 73
  },
  "hsl": {
    "h": 191.429,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33405,
    "c": 0.05465,
    "h": 217.8
  },
  "luminance": 0.03883
}

Semantic roles & 50–950 ramp

primary

#0A3D49

secondary

#863B29

accent

#5935F2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030809

muted

#787B7B

Preview Lab

Preview with #0A3D49

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

Preview Lab → · Contrast checker → · Palette generator →