#0F4B58#0F4B58

#0F4B58 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.062 H 216.1°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX#0F4B58
RGBrgb(15, 75, 88)
HSLhsl(191, 71%, 20%)
HSVhsv(191, 83%, 35%)
CMYKcmyk(83%, 14.8%, 0%, 65.5%)
CIE-LABlab(29.00, -13.43, -13.01)
CIE-LCHlch(29.00, 18.70, 224.10°)
OKLaboklab(38.26% -0.0498 -0.0363)
OKLCHoklch(38.26% 0.062 216.1)
XYZxyz(4.4738, 5.8377, 10.1216)
Luminance0.0584 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F4B58 #581C0F
analogous
#0F5840 #0F4B58 #0F2658
triadic
#0F4B58 #580F4B #4B580F
tetradic
#0F4B58 #400F58 #581C0F #26580F
square
#0F4B58 #400F58 #581C0F #26580F
split-complementary
#0F4B58 #580F26 #58400F
monochromatic
#04161A #061E24 #0F4B58 #18788C #21A4C1

Accessibility & contrast

On white

9.69
#0F4B58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#0F4B58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4B58
9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F4B58#FFFFFF#000000##FFFFFF
##0F4B581.009.692.179.69
#FFFFFF9.691.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#424859
Deuteranopia (green-blind)
#384158
Tritanopia (blue-blind)
#00504F
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #0f4b58;
/* rgb */ color: rgb(15, 75, 88);
/* oklch */ color: oklch(38.3% 0.062 216.1);
Tailwind
colors: {
  custom: {
    50: '#5b7d87',
    500: '#0f4b58',
    950: '#000000',
  },
}
SCSS
$custom: #0f4b58;
$custom-light: #5b7d87;
$custom-dark: #000000;
JSON
{
  "hex": "#0f4b58",
  "rgb": {
    "r": 15,
    "g": 75,
    "b": 88
  },
  "hsl": {
    "h": 190.685,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.38257,
    "c": 0.06169,
    "h": 216.1
  },
  "luminance": 0.05838
}

Semantic roles & 50–950 ramp

primary
#0F4B58
secondary
#924231
accent
#5A3AEE
background
#F5F7F8
surface
#E9EEEF
border
#C5C9CA
text
#04090B
muted
#797B7C

Preview Lab

Preview with #0F4B58

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

Preview Lab → · Contrast checker → · Palette generator →

#0F4B58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva