#0F3749#0F3749

#0F3749 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.8% C 0.054 H 231.6°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#0F3749
RGB	rgb(15, 55, 73)
HSL	hsl(199, 66%, 17%)
HSV	hsv(199, 79%, 29%)
CMYK	cmyk(79.5%, 24.7%, 0%, 71.4%)
CIE-LAB	lab(21.26, -6.83, -15.09)
CIE-LCH	lch(21.26, 16.56, 245.64°)
OKLab	oklab(31.83% -0.0336 -0.0424)
OKLCH	oklch(31.83% 0.054 231.6)
XYZ	xyz(2.7653, 3.3147, 6.7961)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3749 #49210F

analogous

#0F493E #0F3749 #0F1A49

triadic

#0F3749 #490F37 #37490F

tetradic

#0F3749 #3E0F49 #49210F #1A490F

square

#0F3749 #3E0F49 #49210F #1A490F

split-complementary

#0F3749 #490F1A #493E0F

monochromatic

#051319 #051319 #0F3749 #195D7C #2483AF

Accessibility & contrast

On white

12.63

#0F3749 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#0F3749 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3749

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3749	#FFFFFF	#000000	##FFFFFF
##0F3749	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E364A

Deuteranopia (green-blind)

#263149

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0f3749;
/* rgb */ color: rgb(15, 55, 73);
/* oklch */ color: oklch(31.8% 0.054 231.6);

Tailwind

colors: {
  custom: {
    50: '#576d7b',
    500: '#0f3749',
    950: '#000000',
  },
}

SCSS

$custom: #0f3749;
$custom-light: #576d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3749",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 198.621,
    "s": 65.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.31826,
    "c": 0.05405,
    "h": 231.6
  },
  "luminance": 0.03315
}

Semantic roles & 50–950 ramp

primary

#0F3749

secondary

#834A30

accent

#743FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0F3749

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

Preview Lab → · Contrast checker → · Palette generator →