#0F4A59#0F4A59

#0F4A59 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.0% C 0.062 H 219.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#0F4A59
RGB	rgb(15, 74, 89)
HSL	hsl(192, 71%, 20%)
HSV	hsv(192, 83%, 35%)
CMYK	cmyk(83.1%, 16.9%, 0%, 65.1%)
CIE-LAB	lab(28.69, -12.46, -14.13)
CIE-LCH	lch(28.69, 18.84, 228.58°)
OKLab	oklab(38.03% -0.0483 -0.0395)
OKLCH	oklch(38.03% 0.062 219.3)
XYZ	xyz(4.4482, 5.7198, 10.3189)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4A59 #591E0F

analogous

#0F5943 #0F4A59 #0F2559

triadic

#0F4A59 #590F4A #4A590F

tetradic

#0F4A59 #430F59 #591E0F #25590F

square

#0F4A59 #430F59 #591E0F #25590F

split-complementary

#0F4A59 #590F25 #59430F

monochromatic

#04161A #061E25 #0F4A59 #18768D #21A1C2

Accessibility & contrast

On white

9.79

#0F4A59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#0F4A59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4A59

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4A59	#FFFFFF	#000000	##FFFFFF
##0F4A59	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41485A

Deuteranopia (green-blind)

#374159

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f4a59;
/* rgb */ color: rgb(15, 74, 89);
/* oklch */ color: oklch(38.0% 0.062 219.3);

Tailwind

colors: {
  custom: {
    50: '#5b7c88',
    500: '#0f4a59',
    950: '#000000',
  },
}

SCSS

$custom: #0f4a59;
$custom-light: #5b7c88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4a59",
  "rgb": {
    "r": 15,
    "g": 74,
    "b": 89
  },
  "hsl": {
    "h": 192.162,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38025,
    "c": 0.06238,
    "h": 219.3
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#0F4A59

secondary

#934531

accent

#5E3AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4A59

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

Preview Lab → · Contrast checker → · Palette generator →