#0F355A#0F355A

#0F355A is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.078 H 251.2°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#0F355A
RGB	rgb(15, 53, 90)
HSL	hsl(210, 71%, 21%)
HSV	hsv(210, 83%, 35%)
CMYK	cmyk(83.3%, 41.1%, 0%, 64.7%)
CIE-LAB	lab(21.53, 1.61, -25.98)
CIE-LCH	lch(21.53, 26.03, 273.54°)
OKLab	oklab(32.35% -0.0253 -0.0741)
OKLCH	oklch(32.35% 0.078 251.2)
XYZ	xyz(3.3149, 3.3856, 10.1496)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F355A #5A340F

analogous

#0F5A59 #0F355A #0F0F5A

triadic

#0F355A #5A0F35 #355A0F

tetradic

#0F355A #590F5A #5A340F #0F5A0F

square

#0F355A #590F5A #5A340F #0F5A0F

split-complementary

#0F355A #5A0F0F #5A590F

monochromatic

#040F1A #061626 #0F355A #18548E #2073C3

Accessibility & contrast

On white

12.52

#0F355A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#0F355A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F355A

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F355A	#FFFFFF	#000000	##FFFFFF
##0F355A	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24375C

Deuteranopia (green-blind)

#183059

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0f355a;
/* rgb */ color: rgb(15, 53, 90);
/* oklch */ color: oklch(32.3% 0.078 251.2);

Tailwind

colors: {
  custom: {
    50: '#5a6b89',
    500: '#0f355a',
    950: '#000000',
  },
}

SCSS

$custom: #0f355a;
$custom-light: #5a6b89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f355a",
  "rgb": {
    "r": 15,
    "g": 53,
    "b": 90
  },
  "hsl": {
    "h": 209.6,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.32348,
    "c": 0.0783,
    "h": 251.2
  },
  "luminance": 0.03386
}

Semantic roles & 50–950 ramp

primary

#0F355A

secondary

#946231

accent

#933AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0F355A

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

Preview Lab → · Contrast checker → · Palette generator →