#0F4C59#0F4C59

#0F4C59 is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.6% C 0.062 H 215.8°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#0F4C59
RGB	rgb(15, 76, 89)
HSL	hsl(191, 71%, 20%)
HSV	hsv(191, 83%, 35%)
CMYK	cmyk(83.1%, 14.6%, 0%, 65.1%)
CIE-LAB	lab(29.39, -13.65, -13.06)
CIE-LCH	lch(29.39, 18.89, 223.73°)
OKLab	oklab(38.59% -0.0505 -0.0365)
OKLCH	oklch(38.59% 0.062 215.8)
XYZ	xyz(4.5838, 5.9911, 10.3641)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4C59 #591C0F

analogous

#0F5941 #0F4C59 #0F2759

triadic

#0F4C59 #590F4C #4C590F

tetradic

#0F4C59 #410F59 #591C0F #27590F

square

#0F4C59 #410F59 #591C0F #27590F

split-complementary

#0F4C59 #590F27 #59410F

monochromatic

#04161A #061F25 #0F4C59 #18798D #21A5C2

Accessibility & contrast

On white

9.55

#0F4C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#0F4C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4C59

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4C59	#FFFFFF	#000000	##FFFFFF
##0F4C59	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43495A

Deuteranopia (green-blind)

#394259

Tritanopia (blue-blind)

#005150

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f4c59;
/* rgb */ color: rgb(15, 76, 89);
/* oklch */ color: oklch(38.6% 0.062 215.8);

Tailwind

colors: {
  custom: {
    50: '#5c7e88',
    500: '#0f4c59',
    950: '#000000',
  },
}

SCSS

$custom: #0f4c59;
$custom-light: #5c7e88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4c59",
  "rgb": {
    "r": 15,
    "g": 76,
    "b": 89
  },
  "hsl": {
    "h": 190.541,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38585,
    "c": 0.06229,
    "h": 215.8
  },
  "luminance": 0.05992
}

Semantic roles & 50–950 ramp

primary

#0F4C59

secondary

#934231

accent

#5A3AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #0F4C59

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

Preview Lab → · Contrast checker → · Palette generator →