#0F4A57#0F4A57

#0F4A57 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 37.9% C 0.061 H 216.4°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX#0F4A57
RGBrgb(15, 74, 87)
HSLhsl(191, 71%, 20%)
HSVhsv(191, 83%, 34%)
CMYKcmyk(82.8%, 14.9%, 0%, 65.9%)
CIE-LABlab(28.61, -13.22, -12.97)
CIE-LCHlch(28.61, 18.52, 224.46°)
OKLaboklab(37.93% -0.0492 -0.0362)
OKLCHoklch(37.93% 0.061 216.4)
XYZxyz(4.3653, 5.6867, 9.8825)
Luminance0.0569 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F4A57 #571C0F
analogous
#0F5740 #0F4A57 #0F2657
triadic
#0F4A57 #570F4A #4A570F
tetradic
#0F4A57 #400F57 #571C0F #26570F
square
#0F4A57 #400F57 #571C0F #26570F
split-complementary
#0F4A57 #570F26 #57400F
monochromatic
#05161A #061E23 #0F4A57 #18768B #21A3BF

Accessibility & contrast

On white

9.83
#0F4A57 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.14
#0F4A57 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4A57
9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F4A57#FFFFFF#000000##FFFFFF
##0F4A571.009.832.149.83
#FFFFFF9.831.0021.001.00
#0000002.1421.001.0021.00
##FFFFFF9.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#414758
Deuteranopia (green-blind)
#384057
Tritanopia (blue-blind)
#004F4E
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #0f4a57;
/* rgb */ color: rgb(15, 74, 87);
/* oklch */ color: oklch(37.9% 0.061 216.4);
Tailwind
colors: {
  custom: {
    50: '#5b7c86',
    500: '#0f4a57',
    950: '#000000',
  },
}
SCSS
$custom: #0f4a57;
$custom-light: #5b7c86;
$custom-dark: #000000;
JSON
{
  "hex": "#0f4a57",
  "rgb": {
    "r": 15,
    "g": 74,
    "b": 87
  },
  "hsl": {
    "h": 190.833,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.37927,
    "c": 0.06109,
    "h": 216.4
  },
  "luminance": 0.05687
}

Semantic roles & 50–950 ramp

primary
#0F4A57
secondary
#914231
accent
#5B3AED
background
#F5F7F8
surface
#E9EEEF
border
#C5C9CA
text
#04090B
muted
#797B7C

Preview Lab

Preview with #0F4A57

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

Preview Lab → · Contrast checker → · Palette generator →

#0F4A57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva