#0F5666#0F5666

#0F5666 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.0% C 0.070 H 217.4°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#0F5666
RGB	rgb(15, 86, 102)
HSL	hsl(191, 74%, 23%)
HSV	hsv(191, 85%, 40%)
CMYK	cmyk(85.3%, 15.7%, 0%, 60%)
CIE-LAB	lab(33.38, -14.64, -15.18)
CIE-LCH	lch(33.38, 21.09, 226.04°)
OKLab	oklab(41.98% -0.0555 -0.0425)
OKLCH	oklch(41.98% 0.07 217.4)
XYZ	xyz(5.9220, 7.7157, 13.7450)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F5666 #661F0F

analogous

#0F664A #0F5666 #0F2B66

triadic

#0F5666 #660F56 #56660F

tetradic

#0F5666 #4A0F66 #661F0F #2B660F

square

#0F5666 #4A0F66 #661F0F #2B660F

split-complementary

#0F5666 #660F2B #664A0F

monochromatic

#04161B #072931 #0F5666 #17839B #1FB0D1

Accessibility & contrast

On white

8.26

#0F5666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#0F5666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F5666

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F5666	#FFFFFF	#000000	##FFFFFF
##0F5666	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5367

Deuteranopia (green-blind)

#404B66

Tritanopia (blue-blind)

#005C5B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #0f5666;
/* rgb */ color: rgb(15, 86, 102);
/* oklch */ color: oklch(42.0% 0.070 217.4);

Tailwind

colors: {
  custom: {
    50: '#5f8591',
    500: '#0f5666',
    950: '#000000',
  },
}

SCSS

$custom: #0f5666;
$custom-light: #5f8591;
$custom-dark: #000000;

JSON

{
  "hex": "#0f5666",
  "rgb": {
    "r": 15,
    "g": 86,
    "b": 102
  },
  "hsl": {
    "h": 191.034,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.41984,
    "c": 0.06989,
    "h": 217.4
  },
  "luminance": 0.07716
}

Semantic roles & 50–950 ramp

primary

#0F5666

secondary

#9F4632

accent

#5937F1

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #0F5666

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

Preview Lab → · Contrast checker → · Palette generator →