#0D3A4B#0D3A4B

#0D3A4B is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.7% C 0.056 H 227.9°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#0D3A4B
RGB	rgb(13, 58, 75)
HSL	hsl(196, 70%, 17%)
HSV	hsv(196, 83%, 29%)
CMYK	cmyk(82.7%, 22.7%, 0%, 70.6%)
CIE-LAB	lab(22.37, -8.29, -14.71)
CIE-LCH	lch(22.37, 16.89, 240.62°)
OKLab	oklab(32.73% -0.0373 -0.0413)
OKLCH	oklch(32.73% 0.056 227.9)
XYZ	xyz(2.9485, 3.6193, 7.1984)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3A4B #4B1E0D

analogous

#0D4B3D #0D3A4B #0D1B4B

triadic

#0D3A4B #4B0D3A #3A4B0D

tetradic

#0D3A4B #3D0D4B #4B1E0D #1B4B0D

square

#0D3A4B #3D0D4B #4B1E0D #1B4B0D

split-complementary

#0D3A4B #4B0D1B #4B3D0D

monochromatic

#05141A #05141A #0D3A4B #16627F #1F8BB3

Accessibility & contrast

On white

12.18

#0D3A4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#0D3A4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3A4B

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3A4B	#FFFFFF	#000000	##FFFFFF
##0D3A4B	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394C

Deuteranopia (green-blind)

#29334B

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0d3a4b;
/* rgb */ color: rgb(13, 58, 75);
/* oklch */ color: oklch(32.7% 0.056 227.9);

Tailwind

colors: {
  custom: {
    50: '#57707d',
    500: '#0d3a4b',
    950: '#000000',
  },
}

SCSS

$custom: #0d3a4b;
$custom-light: #57707d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3a4b",
  "rgb": {
    "r": 13,
    "g": 58,
    "b": 75
  },
  "hsl": {
    "h": 196.452,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.32727,
    "c": 0.05568,
    "h": 227.9
  },
  "luminance": 0.0362
}

Semantic roles & 50–950 ramp

primary

#0D3A4B

secondary

#86462E

accent

#6C3BED

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0D3A4B

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

Preview Lab → · Contrast checker → · Palette generator →