#0F3A4F#0F3A4F

#0F3A4F is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.059 H 234.1°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A4F
RGB	rgb(15, 58, 79)
HSL	hsl(200, 68%, 18%)
HSV	hsv(200, 81%, 31%)
CMYK	cmyk(81%, 26.6%, 0%, 69%)
CIE-LAB	lab(22.63, -6.38, -16.97)
CIE-LCH	lch(22.63, 18.13, 249.40°)
OKLab	oklab(33.01% -0.0345 -0.0478)
OKLCH	oklch(33.01% 0.059 234.1)
XYZ	xyz(3.1208, 3.6918, 7.9437)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A4F #4F240F

analogous

#0F4F44 #0F3A4F #0F1A4F

triadic

#0F3A4F #4F0F3A #3A4F0F

tetradic

#0F3A4F #440F4F #4F240F #1A4F0F

square

#0F3A4F #440F4F #4F240F #1A4F0F

split-complementary

#0F3A4F #4F0F1A #4F440F

monochromatic

#05131A #05141C #0F3A4F #196082 #2386B6

Accessibility & contrast

On white

12.08

#0F3A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0F3A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A4F

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A4F	#FFFFFF	#000000	##FFFFFF
##0F3A4F	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303950

Deuteranopia (green-blind)

#27334F

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3a4f;
/* rgb */ color: rgb(15, 58, 79);
/* oklch */ color: oklch(33.0% 0.059 234.1);

Tailwind

colors: {
  custom: {
    50: '#587080',
    500: '#0f3a4f',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a4f;
$custom-light: #587080;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a4f",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 199.688,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33012,
    "c": 0.05897,
    "h": 234.1
  },
  "luminance": 0.03692
}

Semantic roles & 50–950 ramp

primary

#0F3A4F

secondary

#894E31

accent

#763DEB

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3A4F

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

Preview Lab → · Contrast checker → · Palette generator →