#0F4F5B#0F4F5B

#0F4F5B is a dark, moderate teal. Relative luminance 0.064; OKLCH L 39.5% C 0.064 H 213.6°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#0F4F5B
RGB	rgb(15, 79, 91)
HSL	hsl(189, 72%, 21%)
HSV	hsv(189, 84%, 36%)
CMYK	cmyk(83.5%, 13.2%, 0%, 64.3%)
CIE-LAB	lab(30.52, -14.66, -12.62)
CIE-LCH	lch(30.52, 19.34, 220.72°)
OKLab	oklab(39.52% -0.0529 -0.0352)
OKLCH	oklch(39.52% 0.064 213.6)
XYZ	xyz(4.8805, 6.4483, 10.8829)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4F5B #5B1B0F

analogous

#0F5B41 #0F4F5B #0F295B

triadic

#0F4F5B #5B0F4F #4F5B0F

tetradic

#0F4F5B #410F5B #5B1B0F #295B0F

square

#0F4F5B #410F5B #5B1B0F #295B0F

split-complementary

#0F4F5B #5B0F29 #5B410F

monochromatic

#04171A #062126 #0F4F5B #187D90 #20AAC4

Accessibility & contrast

On white

9.17

#0F4F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#0F4F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4F5B

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4F5B	#FFFFFF	#000000	##FFFFFF
##0F4F5B	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464C5C

Deuteranopia (green-blind)

#3C455B

Tritanopia (blue-blind)

#005453

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #0f4f5b;
/* rgb */ color: rgb(15, 79, 91);
/* oklch */ color: oklch(39.5% 0.064 213.6);

Tailwind

colors: {
  custom: {
    50: '#5c8089',
    500: '#0f4f5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f4f5b;
$custom-light: #5c8089;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4f5b",
  "rgb": {
    "r": 15,
    "g": 79,
    "b": 91
  },
  "hsl": {
    "h": 189.474,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.39521,
    "c": 0.06354,
    "h": 213.6
  },
  "luminance": 0.06449
}

Semantic roles & 50–950 ramp

primary

#0F4F5B

secondary

#954131

accent

#5639EE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #0F4F5B

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

Preview Lab → · Contrast checker → · Palette generator →