#0F4759#0F4759

#0F4759 is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.2% C 0.063 H 224.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#0F4759
RGB	rgb(15, 71, 89)
HSL	hsl(195, 71%, 20%)
HSV	hsv(195, 83%, 35%)
CMYK	cmyk(83.1%, 20.2%, 0%, 65.1%)
CIE-LAB	lab(27.65, -10.65, -15.73)
CIE-LCH	lch(27.65, 19.00, 235.91°)
OKLab	oklab(37.19% -0.0449 -0.0441)
OKLCH	oklch(37.19% 0.063 224.5)
XYZ	xyz(4.2527, 5.3288, 10.2537)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4759 #59210F

analogous

#0F5946 #0F4759 #0F2259

triadic

#0F4759 #590F47 #47590F

tetradic

#0F4759 #460F59 #59210F #22590F

square

#0F4759 #460F59 #59210F #22590F

split-complementary

#0F4759 #590F22 #59460F

monochromatic

#04151A #061D25 #0F4759 #18718D #219BC2

Accessibility & contrast

On white

10.17

#0F4759 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#0F4759 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4759

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4759	#FFFFFF	#000000	##FFFFFF
##0F4759	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D455A

Deuteranopia (green-blind)

#333E59

Tritanopia (blue-blind)

#004C4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #0f4759;
/* rgb */ color: rgb(15, 71, 89);
/* oklch */ color: oklch(37.2% 0.063 224.5);

Tailwind

colors: {
  custom: {
    50: '#5b7a88',
    500: '#0f4759',
    950: '#000000',
  },
}

SCSS

$custom: #0f4759;
$custom-light: #5b7a88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4759",
  "rgb": {
    "r": 15,
    "g": 71,
    "b": 89
  },
  "hsl": {
    "h": 194.595,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.37188,
    "c": 0.06297,
    "h": 224.5
  },
  "luminance": 0.05329
}

Semantic roles & 50–950 ramp

primary

#0F4759

secondary

#934931

accent

#663AEE

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4759

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

Preview Lab → · Contrast checker → · Palette generator →