#0F3949#0F3949

#0F3949 is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.053 H 227.5°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#0F3949
RGB	rgb(15, 57, 73)
HSL	hsl(197, 66%, 17%)
HSV	hsv(197, 79%, 29%)
CMYK	cmyk(79.5%, 21.9%, 0%, 71.4%)
CIE-LAB	lab(21.98, -8.13, -13.99)
CIE-LCH	lch(21.98, 16.18, 239.84°)
OKLab	oklab(32.4% -0.0359 -0.0392)
OKLCH	oklch(32.4% 0.053 227.5)
XYZ	xyz(2.8622, 3.5085, 6.8284)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3949 #491F0F

analogous

#0F493C #0F3949 #0F1C49

triadic

#0F3949 #490F39 #39490F

tetradic

#0F3949 #3C0F49 #491F0F #1C490F

square

#0F3949 #3C0F49 #491F0F #1C490F

split-complementary

#0F3949 #490F1C #493C0F

monochromatic

#051419 #051419 #0F3949 #19617C #2488AF

Accessibility & contrast

On white

12.34

#0F3949 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#0F3949 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3949

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3949	#FFFFFF	#000000	##FFFFFF
##0F3949	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31384A

Deuteranopia (green-blind)

#293249

Tritanopia (blue-blind)

#003E3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0f3949;
/* rgb */ color: rgb(15, 57, 73);
/* oklch */ color: oklch(32.4% 0.053 227.5);

Tailwind

colors: {
  custom: {
    50: '#576f7b',
    500: '#0f3949',
    950: '#000000',
  },
}

SCSS

$custom: #0f3949;
$custom-light: #576f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3949",
  "rgb": {
    "r": 15,
    "g": 57,
    "b": 73
  },
  "hsl": {
    "h": 196.552,
    "s": 65.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.32395,
    "c": 0.05317,
    "h": 227.5
  },
  "luminance": 0.03509
}

Semantic roles & 50–950 ramp

primary

#0F3949

secondary

#834730

accent

#6E3FE9

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0F3949

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

Preview Lab → · Contrast checker → · Palette generator →