#0F4559#0F4559

#0F4559 is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.6% C 0.064 H 227.8°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#0F4559
RGB	rgb(15, 69, 89)
HSL	hsl(196, 71%, 20%)
HSV	hsv(196, 83%, 35%)
CMYK	cmyk(83.1%, 22.5%, 0%, 65.1%)
CIE-LAB	lab(26.96, -9.41, -16.80)
CIE-LCH	lch(26.96, 19.26, 240.74°)
OKLab	oklab(36.63% -0.0427 -0.0472)
OKLCH	oklch(36.63% 0.064 227.8)
XYZ	xyz(4.1276, 5.0786, 10.2120)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4559 #59230F

analogous

#0F5948 #0F4559 #0F2059

triadic

#0F4559 #590F45 #45590F

tetradic

#0F4559 #480F59 #59230F #20590F

square

#0F4559 #480F59 #59230F #20590F

split-complementary

#0F4559 #590F20 #59480F

monochromatic

#04141A #061C25 #0F4559 #186E8D #2196C2

Accessibility & contrast

On white

10.42

#0F4559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#0F4559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4559

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4559	#FFFFFF	#000000	##FFFFFF
##0F4559	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445A

Deuteranopia (green-blind)

#313D59

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #0f4559;
/* rgb */ color: rgb(15, 69, 89);
/* oklch */ color: oklch(36.6% 0.064 227.8);

Tailwind

colors: {
  custom: {
    50: '#5b7888',
    500: '#0f4559',
    950: '#000000',
  },
}

SCSS

$custom: #0f4559;
$custom-light: #5b7888;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4559",
  "rgb": {
    "r": 15,
    "g": 69,
    "b": 89
  },
  "hsl": {
    "h": 196.216,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.36632,
    "c": 0.06368,
    "h": 227.8
  },
  "luminance": 0.05079
}

Semantic roles & 50–950 ramp

primary

#0F4559

secondary

#934B31

accent

#6B3AEE

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4559

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

Preview Lab → · Contrast checker → · Palette generator →