#0F243B#0F243B

#0F243B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.6% C 0.051 H 252.3°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX#0F243B
RGBrgb(15, 36, 59)
HSLhsl(211, 59%, 15%)
HSVhsv(211, 75%, 23%)
CMYKcmyk(74.6%, 39%, 0%, 76.9%)
CIE-LABlab(13.70, 0.57, -17.29)
CIE-LCHlch(13.70, 17.30, 271.87°)
OKLaboklab(25.59% -0.0156 -0.049)
OKLCHoklch(25.59% 0.051 252.3)
XYZxyz(1.6170, 1.6789, 4.3757)
Luminance0.0168 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F243B #3B260F
analogous
#0F3A3B #0F243B #100F3B
triadic
#0F243B #3B0F24 #243B0F
tetradic
#0F243B #3B0F3A #3B260F #0F3B10
square
#0F243B #3B0F3A #3B260F #0F3B10
split-complementary
#0F243B #3B100F #3A3B0F
monochromatic
#060F18 #060F18 #0F243B #1B426C #28609D

Accessibility & contrast

On white

15.72
#0F243B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.34
#0F243B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F243B
15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F243B#FFFFFF#000000##FFFFFF
##0F243B1.0015.721.3415.72
#FFFFFF15.721.0021.001.00
#0000001.3421.001.0021.00
##FFFFFF15.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A253C
Deuteranopia (green-blind)
#14213B
Tritanopia (blue-blind)
#00292C
Achromatopsia (no color)
#232323

Design tokens & code

CSS
--color: #0f243b;
/* rgb */ color: rgb(15, 36, 59);
/* oklch */ color: oklch(25.6% 0.051 252.3);
Tailwind
colors: {
  custom: {
    50: '#535e71',
    500: '#0f243b',
    950: '#000000',
  },
}
SCSS
$custom: #0f243b;
$custom-light: #535e71;
$custom-dark: #000000;
JSON
{
  "hex": "#0f243b",
  "rgb": {
    "r": 15,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 211.364,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25592,
    "c": 0.05141,
    "h": 252.3
  },
  "luminance": 0.01679
}

Semantic roles & 50–950 ramp

primary
#0F243B
secondary
#755430
accent
#9745E3
background
#F4F5F6
surface
#E7E9EC
border
#C3C5C7
text
#030407
muted
#78797A

Preview Lab

Preview with #0F243B

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

Preview Lab → · Contrast checker → · Palette generator →

#0F243B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva