#0F3D4F#0F3D4F

#0F3D4F is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.057 H 228.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX#0F3D4F
RGBrgb(15, 61, 79)
HSLhsl(197, 68%, 18%)
HSVhsv(197, 81%, 31%)
CMYKcmyk(81%, 22.8%, 0%, 69%)
CIE-LABlab(23.68, -8.32, -15.33)
CIE-LCHlch(23.68, 17.44, 241.53°)
OKLaboklab(33.86% -0.038 -0.043)
OKLCHoklch(33.86% 0.057 228.6)
XYZxyz(3.2765, 4.0032, 7.9956)
Luminance0.0400 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F3D4F #4F210F
analogous
#0F4F41 #0F3D4F #0F1D4F
triadic
#0F3D4F #4F0F3D #3D4F0F
tetradic
#0F3D4F #410F4F #4F210F #1D4F0F
square
#0F3D4F #410F4F #4F210F #1D4F0F
split-complementary
#0F3D4F #4F0F1D #4F410F
monochromatic
#05141A #05151C #0F3D4F #196582 #238CB6

Accessibility & contrast

On white

11.66
#0F3D4F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#0F3D4F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3D4F
11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F3D4F#FFFFFF#000000##FFFFFF
##0F3D4F1.0011.661.8011.66
#FFFFFF11.661.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343C50
Deuteranopia (green-blind)
#2B364F
Tritanopia (blue-blind)
#004243
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #0f3d4f;
/* rgb */ color: rgb(15, 61, 79);
/* oklch */ color: oklch(33.9% 0.057 228.6);
Tailwind
colors: {
  custom: {
    50: '#587280',
    500: '#0f3d4f',
    950: '#000000',
  },
}
SCSS
$custom: #0f3d4f;
$custom-light: #587280;
$custom-dark: #000000;
JSON
{
  "hex": "#0f3d4f",
  "rgb": {
    "r": 15,
    "g": 61,
    "b": 79
  },
  "hsl": {
    "h": 196.875,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33855,
    "c": 0.05741,
    "h": 228.6
  },
  "luminance": 0.04004
}

Semantic roles & 50–950 ramp

primary
#0F3D4F
secondary
#894A31
accent
#6E3DEB
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #0F3D4F

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

Preview Lab → · Contrast checker → · Palette generator →

#0F3D4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva