#0F4D5A#0F4D5A

#0F4D5A is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.9% C 0.063 H 215.6°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#0F4D5A
RGB	rgb(15, 77, 90)
HSL	hsl(190, 71%, 21%)
HSV	hsv(190, 83%, 35%)
CMYK	cmyk(83.3%, 14.4%, 0%, 64.7%)
CIE-LAB	lab(29.78, -13.86, -13.10)
CIE-LCH	lch(29.78, 19.07, 223.39°)
OKLab	oklab(38.91% -0.0512 -0.0366)
OKLCH	oklch(38.91% 0.063 215.6)
XYZ	xyz(4.6956, 6.1469, 10.6099)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4D5A #5A1C0F

analogous

#0F5A41 #0F4D5A #0F275A

triadic

#0F4D5A #5A0F4D #4D5A0F

tetradic

#0F4D5A #410F5A #5A1C0F #275A0F

square

#0F4D5A #410F5A #5A1C0F #275A0F

split-complementary

#0F4D5A #5A0F27 #5A410F

monochromatic

#04161A #062026 #0F4D5A #187A8E #20A7C3

Accessibility & contrast

On white

9.42

#0F4D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#0F4D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4D5A

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4D5A	#FFFFFF	#000000	##FFFFFF
##0F4D5A	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444A5B

Deuteranopia (green-blind)

#3A435A

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #0f4d5a;
/* rgb */ color: rgb(15, 77, 90);
/* oklch */ color: oklch(38.9% 0.063 215.6);

Tailwind

colors: {
  custom: {
    50: '#5c7f88',
    500: '#0f4d5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f4d5a;
$custom-light: #5c7f88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4d5a",
  "rgb": {
    "r": 15,
    "g": 77,
    "b": 90
  },
  "hsl": {
    "h": 190.4,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38914,
    "c": 0.06289,
    "h": 215.6
  },
  "luminance": 0.06147
}

Semantic roles & 50–950 ramp

primary

#0F4D5A

secondary

#944231

accent

#593AEE

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #0F4D5A

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

Preview Lab → · Contrast checker → · Palette generator →