#0F4959#0F4959

#0F4959 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 37.7% C 0.063 H 221.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#0F4959
RGB	rgb(15, 73, 89)
HSL	hsl(193, 71%, 20%)
HSV	hsv(193, 83%, 35%)
CMYK	cmyk(83.1%, 18%, 0%, 65.1%)
CIE-LAB	lab(28.35, -11.86, -14.66)
CIE-LCH	lch(28.35, 18.86, 231.02°)
OKLab	oklab(37.75% -0.0472 -0.041)
OKLCH	oklch(37.75% 0.063 221)
XYZ	xyz(4.3820, 5.5874, 10.2968)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4959 #591F0F

analogous

#0F5944 #0F4959 #0F2459

triadic

#0F4959 #590F49 #49590F

tetradic

#0F4959 #440F59 #591F0F #24590F

square

#0F4959 #440F59 #591F0F #24590F

split-complementary

#0F4959 #590F24 #59440F

monochromatic

#04151A #061E25 #0F4959 #18748D #219FC2

Accessibility & contrast

On white

9.92

#0F4959 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#0F4959 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4959

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4959	#FFFFFF	#000000	##FFFFFF
##0F4959	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F475A

Deuteranopia (green-blind)

#364059

Tritanopia (blue-blind)

#004E4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #0f4959;
/* rgb */ color: rgb(15, 73, 89);
/* oklch */ color: oklch(37.7% 0.063 221.0);

Tailwind

colors: {
  custom: {
    50: '#5b7b88',
    500: '#0f4959',
    950: '#000000',
  },
}

SCSS

$custom: #0f4959;
$custom-light: #5b7b88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4959",
  "rgb": {
    "r": 15,
    "g": 73,
    "b": 89
  },
  "hsl": {
    "h": 192.973,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.37746,
    "c": 0.06252,
    "h": 221
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#0F4959

secondary

#934631

accent

#613AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4959

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

Preview Lab → · Contrast checker → · Palette generator →