#0F4B5C#0F4B5C

#0F4B5C is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.5% C 0.064 H 221.8°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#0F4B5C
RGB	rgb(15, 75, 92)
HSL	hsl(193, 72%, 21%)
HSV	hsv(193, 84%, 36%)
CMYK	cmyk(83.7%, 18.5%, 0%, 63.9%)
CIE-LAB	lab(29.17, -11.92, -15.31)
CIE-LCH	lch(29.17, 19.41, 232.10°)
OKLab	oklab(38.45% -0.048 -0.0429)
OKLCH	oklch(38.45% 0.064 221.8)
XYZ	xyz(4.6440, 5.9058, 11.0183)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4B5C #5C200F

analogous

#0F5C46 #0F4B5C #0F245C

triadic

#0F4B5C #5C0F4B #4B5C0F

tetradic

#0F4B5C #460F5C #5C200F #245C0F

square

#0F4B5C #460F5C #5C200F #245C0F

split-complementary

#0F4B5C #5C0F24 #5C460F

monochromatic

#04151A #062027 #0F4B5C #187691 #20A1C5

Accessibility & contrast

On white

9.63

#0F4B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#0F4B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B5C

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4B5C	#FFFFFF	#000000	##FFFFFF
##0F4B5C	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41495D

Deuteranopia (green-blind)

#37425C

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f4b5c;
/* rgb */ color: rgb(15, 75, 92);
/* oklch */ color: oklch(38.5% 0.064 221.8);

Tailwind

colors: {
  custom: {
    50: '#5c7d8a',
    500: '#0f4b5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f4b5c;
$custom-light: #5c7d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4b5c",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 92
  },
  "hsl": {
    "h": 193.247,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.38454,
    "c": 0.06441,
    "h": 221.8
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#0F4B5C

secondary

#954731

accent

#6139EF

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #0F4B5C

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

Preview Lab → · Contrast checker → · Palette generator →