#0F4C5B#0F4C5B

#0F4C5B is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.7% C 0.064 H 218.7°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#0F4C5B
RGB	rgb(15, 76, 91)
HSL	hsl(192, 72%, 21%)
HSV	hsv(192, 84%, 36%)
CMYK	cmyk(83.5%, 16.5%, 0%, 64.3%)
CIE-LAB	lab(29.48, -12.90, -14.21)
CIE-LCH	lch(29.48, 19.19, 227.77°)
OKLab	oklab(38.68% -0.0496 -0.0397)
OKLCH	oklch(38.68% 0.064 218.7)
XYZ	xyz(4.6690, 6.0252, 10.8124)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4C5B #5B1E0F

analogous

#0F5B44 #0F4C5B #0F265B

triadic

#0F4C5B #5B0F4C #4C5B0F

tetradic

#0F4C5B #440F5B #5B1E0F #265B0F

square

#0F4C5B #440F5B #5B1E0F #265B0F

split-complementary

#0F4C5B #5B0F26 #5B440F

monochromatic

#04161A #062026 #0F4C5B #187890 #20A4C4

Accessibility & contrast

On white

9.52

#0F4C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#0F4C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4C5B

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4C5B	#FFFFFF	#000000	##FFFFFF
##0F4C5B	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434A5C

Deuteranopia (green-blind)

#38425B

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f4c5b;
/* rgb */ color: rgb(15, 76, 91);
/* oklch */ color: oklch(38.7% 0.064 218.7);

Tailwind

colors: {
  custom: {
    50: '#5c7e89',
    500: '#0f4c5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f4c5b;
$custom-light: #5c7e89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4c5b",
  "rgb": {
    "r": 15,
    "g": 76,
    "b": 91
  },
  "hsl": {
    "h": 191.842,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.38683,
    "c": 0.06355,
    "h": 218.7
  },
  "luminance": 0.06026
}

Semantic roles & 50–950 ramp

primary

#0F4C5B

secondary

#954531

accent

#5D39EE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #0F4C5B

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

Preview Lab → · Contrast checker → · Palette generator →