#0F365B#0F365B

#0F365B is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.079 H 250.7°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#0F365B
RGB	rgb(15, 54, 91)
HSL	hsl(209, 72%, 21%)
HSV	hsv(209, 84%, 36%)
CMYK	cmyk(83.5%, 40.7%, 0%, 64.3%)
CIE-LAB	lab(21.93, 1.34, -26.01)
CIE-LCH	lch(21.93, 26.04, 272.94°)
OKLab	oklab(32.68% -0.026 -0.0742)
OKLCH	oklch(32.68% 0.079 250.7)
XYZ	xyz(3.4038, 3.4948, 10.3907)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F365B #5B340F

analogous

#0F5B5A #0F365B #0F105B

triadic

#0F365B #5B0F36 #365B0F

tetradic

#0F365B #5A0F5B #5B340F #105B0F

square

#0F365B #5A0F5B #5B340F #105B0F

split-complementary

#0F365B #5B0F10 #5B5A0F

monochromatic

#04101A #061726 #0F365B #185590 #2074C4

Accessibility & contrast

On white

12.36

#0F365B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#0F365B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F365B

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F365B	#FFFFFF	#000000	##FFFFFF
##0F365B	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25385D

Deuteranopia (green-blind)

#19315A

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0f365b;
/* rgb */ color: rgb(15, 54, 91);
/* oklch */ color: oklch(32.7% 0.079 250.7);

Tailwind

colors: {
  custom: {
    50: '#5b6c89',
    500: '#0f365b',
    950: '#000000',
  },
}

SCSS

$custom: #0f365b;
$custom-light: #5b6c89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f365b",
  "rgb": {
    "r": 15,
    "g": 54,
    "b": 91
  },
  "hsl": {
    "h": 209.211,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32681,
    "c": 0.07859,
    "h": 250.7
  },
  "luminance": 0.03495
}

Semantic roles & 50–950 ramp

primary

#0F365B

secondary

#956231

accent

#9239EE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F365B

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

Preview Lab → · Contrast checker → · Palette generator →