#0F4B5A#0F4B5A

#0F4B5A is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.4% C 0.063 H 219.0°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX#0F4B5A
RGBrgb(15, 75, 90)
HSLhsl(192, 71%, 21%)
HSVhsv(192, 83%, 35%)
CMYKcmyk(83.3%, 16.7%, 0%, 64.7%)
CIE-LABlab(29.09, -12.68, -14.17)
CIE-LCHlch(29.09, 19.01, 228.17°)
OKLaboklab(38.35% -0.0489 -0.0396)
OKLCHoklch(38.35% 0.063 219)
XYZxyz(4.5578, 5.8713, 10.5639)
Luminance0.0587 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F4B5A #5A1E0F
analogous
#0F5A43 #0F4B5A #0F255A
triadic
#0F4B5A #5A0F4B #4B5A0F
tetradic
#0F4B5A #430F5A #5A1E0F #255A0F
square
#0F4B5A #430F5A #5A1E0F #255A0F
split-complementary
#0F4B5A #5A0F25 #5A430F
monochromatic
#04161A #061F26 #0F4B5A #18778E #20A2C3

Accessibility & contrast

On white

9.66
#0F4B5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#0F4B5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B5A
9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F4B5A#FFFFFF#000000##FFFFFF
##0F4B5A1.009.662.179.66
#FFFFFF9.661.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#42495B
Deuteranopia (green-blind)
#38415A
Tritanopia (blue-blind)
#005050
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #0f4b5a;
/* rgb */ color: rgb(15, 75, 90);
/* oklch */ color: oklch(38.4% 0.063 219.0);
Tailwind
colors: {
  custom: {
    50: '#5c7d88',
    500: '#0f4b5a',
    950: '#000000',
  },
}
SCSS
$custom: #0f4b5a;
$custom-light: #5c7d88;
$custom-dark: #000000;
JSON
{
  "hex": "#0f4b5a",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 90
  },
  "hsl": {
    "h": 192,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.38354,
    "c": 0.06296,
    "h": 219
  },
  "luminance": 0.05872
}

Semantic roles & 50–950 ramp

primary
#0F4B5A
secondary
#944531
accent
#5E3AEE
background
#F5F7F8
surface
#E9EEEF
border
#C5C9CA
text
#05090B
muted
#797B7C

Preview Lab

Preview with #0F4B5A

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

Preview Lab → · Contrast checker → · Palette generator →

#0F4B5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva