#0F445B#0F445B

#0F445B is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.5% C 0.066 H 231.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#0F445B
RGB	rgb(15, 68, 91)
HSL	hsl(198, 72%, 21%)
HSV	hsv(198, 84%, 36%)
CMYK	cmyk(83.5%, 25.3%, 0%, 64.3%)
CIE-LAB	lab(26.71, -8.00, -18.49)
CIE-LCH	lch(26.71, 20.14, 246.61°)
OKLab	oklab(36.46% -0.0408 -0.052)
OKLCH	oklch(36.46% 0.066 231.9)
XYZ	xyz(4.1517, 4.9906, 10.6400)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F445B #5B260F

analogous

#0F5B4C #0F445B #0F1E5B

triadic

#0F445B #5B0F44 #445B0F

tetradic

#0F445B #4C0F5B #5B260F #1E5B0F

square

#0F445B #4C0F5B #5B260F #1E5B0F

split-complementary

#0F445B #5B0F1E #5B4C0F

monochromatic

#04141A #061D26 #0F445B #186B90 #2093C4

Accessibility & contrast

On white

10.51

#0F445B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#0F445B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F445B

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F445B	#FFFFFF	#000000	##FFFFFF
##0F445B	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38435C

Deuteranopia (green-blind)

#2E3C5B

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #0f445b;
/* rgb */ color: rgb(15, 68, 91);
/* oklch */ color: oklch(36.5% 0.066 231.9);

Tailwind

colors: {
  custom: {
    50: '#5b7789',
    500: '#0f445b',
    950: '#000000',
  },
}

SCSS

$custom: #0f445b;
$custom-light: #5b7789;
$custom-dark: #000000;

JSON

{
  "hex": "#0f445b",
  "rgb": {
    "r": 15,
    "g": 68,
    "b": 91
  },
  "hsl": {
    "h": 198.158,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.36465,
    "c": 0.06615,
    "h": 231.9
  },
  "luminance": 0.04991
}

Semantic roles & 50–950 ramp

primary

#0F445B

secondary

#954F31

accent

#7039EE

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0F445B

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

Preview Lab → · Contrast checker → · Palette generator →