#0D3748#0D3748

#0D3748 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.7% C 0.054 H 229.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#0D3748
RGB	rgb(13, 55, 72)
HSL	hsl(197, 69%, 17%)
HSV	hsv(197, 82%, 28%)
CMYK	cmyk(81.9%, 23.6%, 0%, 71.8%)
CIE-LAB	lab(21.15, -7.55, -14.59)
CIE-LCH	lch(21.15, 16.43, 242.63°)
OKLab	oklab(31.71% -0.0352 -0.041)
OKLCH	oklch(31.71% 0.054 229.4)
XYZ	xyz(2.7014, 3.2855, 6.6214)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3748 #481E0D

analogous

#0D483C #0D3748 #0D1A48

triadic

#0D3748 #480D37 #37480D

tetradic

#0D3748 #3C0D48 #481E0D #1A480D

square

#0D3748 #3C0D48 #481E0D #1A480D

split-complementary

#0D3748 #480D1A #483C0D

monochromatic

#05141A #05141A #0D3748 #165F7C #2086B0

Accessibility & contrast

On white

12.67

#0D3748 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#0D3748 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3748

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3748	#FFFFFF	#000000	##FFFFFF
##0D3748	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3649

Deuteranopia (green-blind)

#263048

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0d3748;
/* rgb */ color: rgb(13, 55, 72);
/* oklch */ color: oklch(31.7% 0.054 229.4);

Tailwind

colors: {
  custom: {
    50: '#566d7b',
    500: '#0d3748',
    950: '#000000',
  },
}

SCSS

$custom: #0d3748;
$custom-light: #566d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3748",
  "rgb": {
    "r": 13,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 197.288,
    "s": 69.412,
    "l": 16.667
  },
  "oklch": {
    "l": 0.31705,
    "c": 0.054,
    "h": 229.4
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary

#0D3748

secondary

#83462D

accent

#6E3CEC

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0D3748

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

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