#0D3A4F#0D3A4F

#0D3A4F is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.060 H 233.4°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#0D3A4F
RGB	rgb(13, 58, 79)
HSL	hsl(199, 72%, 18%)
HSV	hsv(199, 84%, 31%)
CMYK	cmyk(83.5%, 26.6%, 0%, 69%)
CIE-LAB	lab(22.57, -6.67, -17.07)
CIE-LCH	lch(22.57, 18.32, 248.65°)
OKLab	oklab(32.95% -0.0357 -0.0481)
OKLCH	oklch(32.95% 0.06 233.4)
XYZ	xyz(3.0898, 3.6758, 7.9423)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3A4F #4F220D

analogous

#0D4F43 #0D3A4F #0D194F

triadic

#0D3A4F #4F0D3A #3A4F0D

tetradic

#0D3A4F #430D4F #4F220D #194F0D

square

#0D3A4F #430D4F #4F220D #194F0D

split-complementary

#0D3A4F #4F0D19 #4F430D

monochromatic

#04131A #04131A #0D3A4F #166184 #1E87B8

Accessibility & contrast

On white

12.10

#0D3A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0D3A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3A4F

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3A4F	#FFFFFF	#000000	##FFFFFF
##0D3A4F	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303950

Deuteranopia (green-blind)

#27334F

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0d3a4f;
/* rgb */ color: rgb(13, 58, 79);
/* oklch */ color: oklch(33.0% 0.060 233.4);

Tailwind

colors: {
  custom: {
    50: '#577080',
    500: '#0d3a4f',
    950: '#000000',
  },
}

SCSS

$custom: #0d3a4f;
$custom-light: #577080;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3a4f",
  "rgb": {
    "r": 13,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 199.091,
    "s": 71.739,
    "l": 18.039
  },
  "oklch": {
    "l": 0.32951,
    "c": 0.05985,
    "h": 233.4
  },
  "luminance": 0.03676
}

Semantic roles & 50–950 ramp

primary

#0D3A4F

secondary

#8A4B2E

accent

#7339EE

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0D3A4F

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

Preview Lab → · Contrast checker → · Palette generator →