#0D3A4E#0D3A4E

#0D3A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.059 H 232.1°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#0D3A4E
RGB	rgb(13, 58, 78)
HSL	hsl(198, 71%, 18%)
HSV	hsv(198, 83%, 31%)
CMYK	cmyk(83.3%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.52, -7.08, -16.48)
CIE-LCH	lch(22.52, 17.94, 246.75°)
OKLab	oklab(32.89% -0.0361 -0.0464)
OKLCH	oklch(32.89% 0.059 232.1)
XYZ	xyz(3.0536, 3.6614, 7.7520)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3A4E #4E210D

analogous

#0D4E42 #0D3A4E #0D194E

triadic

#0D3A4E #4E0D3A #3A4E0D

tetradic

#0D3A4E #420D4E #4E210D #194E0D

square

#0D3A4E #420D4E #4E210D #194E0D

split-complementary

#0D3A4E #4E0D19 #4E420D

monochromatic

#04141A #04141A #0D3A4E #166182 #1E88B7

Accessibility & contrast

On white

12.12

#0D3A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0D3A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3A4E

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3A4E	#FFFFFF	#000000	##FFFFFF
##0D3A4E	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394F

Deuteranopia (green-blind)

#27334E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0d3a4e;
/* rgb */ color: rgb(13, 58, 78);
/* oklch */ color: oklch(32.9% 0.059 232.1);

Tailwind

colors: {
  custom: {
    50: '#57707f',
    500: '#0d3a4e',
    950: '#000000',
  },
}

SCSS

$custom: #0d3a4e;
$custom-light: #57707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3a4e",
  "rgb": {
    "r": 13,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 198.462,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.32894,
    "c": 0.05875,
    "h": 232.1
  },
  "luminance": 0.03662
}

Semantic roles & 50–950 ramp

primary

#0D3A4E

secondary

#894A2E

accent

#713AEE

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0D3A4E

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

Preview Lab → · Contrast checker → · Palette generator →