#0F3F4F#0F3F4F

#0F3F4F is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.057 H 224.7°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F4F
RGB	rgb(15, 63, 79)
HSL	hsl(195, 68%, 18%)
HSV	hsv(195, 81%, 31%)
CMYK	cmyk(81%, 20.3%, 0%, 69%)
CIE-LAB	lab(24.39, -9.58, -14.24)
CIE-LCH	lch(24.39, 17.17, 236.08°)
OKLab	oklab(34.42% -0.0403 -0.0399)
OKLCH	oklch(34.42% 0.057 224.7)
XYZ	xyz(3.3852, 4.2207, 8.0319)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F4F #4F1F0F

analogous

#0F4F3F #0F3F4F #0F1F4F

triadic

#0F3F4F #4F0F3F #3F4F0F

tetradic

#0F3F4F #3F0F4F #4F1F0F #1F4F0F

square

#0F3F4F #3F0F4F #4F1F0F #1F4F0F

split-complementary

#0F3F4F #4F0F1F #4F3F0F

monochromatic

#05151A #05161C #0F3F4F #196882 #2391B6

Accessibility & contrast

On white

11.39

#0F3F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#0F3F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F4F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F4F	#FFFFFF	#000000	##FFFFFF
##0F3F4F	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D50

Deuteranopia (green-blind)

#2D374F

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3f4f;
/* rgb */ color: rgb(15, 63, 79);
/* oklch */ color: oklch(34.4% 0.057 224.7);

Tailwind

colors: {
  custom: {
    50: '#587480',
    500: '#0f3f4f',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f4f;
$custom-light: #587480;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f4f",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 79
  },
  "hsl": {
    "h": 195,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3442,
    "c": 0.05671,
    "h": 224.7
  },
  "luminance": 0.04221
}

Semantic roles & 50–950 ramp

primary

#0F3F4F

secondary

#894731

accent

#683DEB

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3F4F

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

Preview Lab → · Contrast checker → · Palette generator →