#0F355E#0F355E

#0F355E is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.084 H 253.3°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#0F355E
RGB	rgb(15, 53, 94)
HSL	hsl(211, 72%, 21%)
HSV	hsv(211, 84%, 37%)
CMYK	cmyk(84%, 43.6%, 0%, 63.1%)
CIE-LAB	lab(21.78, 3.33, -28.20)
CIE-LCH	lch(21.78, 28.40, 276.73°)
OKLab	oklab(32.63% -0.0242 -0.0806)
OKLCH	oklch(32.63% 0.084 253.3)
XYZ	xyz(3.4897, 3.4555, 11.0706)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F355E #5E380F

analogous

#0F5D5E #0F355E #110F5E

triadic

#0F355E #5E0F35 #355E0F

tetradic

#0F355E #5E0F5D #5E380F #0F5E11

square

#0F355E #5E0F5D #5E380F #0F5E11

split-complementary

#0F355E #5E110F #5D5E0F

monochromatic

#040F1A #071729 #0F355E #175393 #2071C8

Accessibility & contrast

On white

12.42

#0F355E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0F355E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F355E

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F355E	#FFFFFF	#000000	##FFFFFF
##0F355E	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213860

Deuteranopia (green-blind)

#14315D

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0f355e;
/* rgb */ color: rgb(15, 53, 94);
/* oklch */ color: oklch(32.6% 0.084 253.3);

Tailwind

colors: {
  custom: {
    50: '#5b6b8c',
    500: '#0f355e',
    950: '#000000',
  },
}

SCSS

$custom: #0f355e;
$custom-light: #5b6b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f355e",
  "rgb": {
    "r": 15,
    "g": 53,
    "b": 94
  },
  "hsl": {
    "h": 211.139,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32632,
    "c": 0.08418,
    "h": 253.3
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#0F355E

secondary

#976631

accent

#9739EF

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060C

muted

#797A7D

Preview Lab

Preview with #0F355E

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

Preview Lab → · Contrast checker → · Palette generator →