#0D3A4D#0D3A4D

#0D3A4D is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.058 H 230.8°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#0D3A4D
RGB	rgb(13, 58, 77)
HSL	hsl(198, 71%, 18%)
HSV	hsv(198, 83%, 30%)
CMYK	cmyk(83.1%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(22.47, -7.48, -15.89)
CIE-LCH	lch(22.47, 17.57, 244.79°)
OKLab	oklab(32.84% -0.0365 -0.0447)
OKLCH	oklch(32.84% 0.058 230.8)
XYZ	xyz(3.0180, 3.6471, 7.5646)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3A4D #4D200D

analogous

#0D4D40 #0D3A4D #0D1A4D

triadic

#0D3A4D #4D0D3A #3A4D0D

tetradic

#0D3A4D #400D4D #4D200D #1A4D0D

square

#0D3A4D #400D4D #4D200D #1A4D0D

split-complementary

#0D3A4D #4D0D1A #4D400D

monochromatic

#04141A #04141A #0D3A4D #166181 #1F89B6

Accessibility & contrast

On white

12.14

#0D3A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0D3A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3A4D

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3A4D	#FFFFFF	#000000	##FFFFFF
##0D3A4D	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394E

Deuteranopia (green-blind)

#28334D

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0d3a4d;
/* rgb */ color: rgb(13, 58, 77);
/* oklch */ color: oklch(32.8% 0.058 230.8);

Tailwind

colors: {
  custom: {
    50: '#57707f',
    500: '#0d3a4d',
    950: '#000000',
  },
}

SCSS

$custom: #0d3a4d;
$custom-light: #57707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3a4d",
  "rgb": {
    "r": 13,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 197.813,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.32838,
    "c": 0.0577,
    "h": 230.8
  },
  "luminance": 0.03647
}

Semantic roles & 50–950 ramp

primary

#0D3A4D

secondary

#88492E

accent

#6F3AEE

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0D3A4D

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

Preview Lab → · Contrast checker → · Palette generator →