#0F233B#0F233B

#0F233B is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.3% C 0.053 H 254.2°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX#0F233B
RGBrgb(15, 35, 59)
HSLhsl(213, 59%, 15%)
HSVhsv(213, 75%, 23%)
CMYKcmyk(74.6%, 40.7%, 0%, 76.9%)
CIE-LABlab(13.35, 1.31, -17.86)
CIE-LCHlch(13.35, 17.90, 274.19°)
OKLaboklab(25.31% -0.0143 -0.0506)
OKLCHoklch(25.31% 0.053 254.2)
XYZxyz(1.5872, 1.6192, 4.3657)
Luminance0.0162 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F233B #3B270F
analogous
#0F393B #0F233B #110F3B
triadic
#0F233B #3B0F23 #233B0F
tetradic
#0F233B #3B0F39 #3B270F #0F3B11
square
#0F233B #3B0F39 #3B270F #0F3B11
split-complementary
#0F233B #3B110F #393B0F
monochromatic
#060E18 #060E18 #0F233B #1B406C #285D9D

Accessibility & contrast

On white

15.86
#0F233B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#0F233B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F233B
15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F233B#FFFFFF#000000##FFFFFF
##0F233B1.0015.861.3215.86
#FFFFFF15.861.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#19253C
Deuteranopia (green-blind)
#12203B
Tritanopia (blue-blind)
#00292C
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #0f233b;
/* rgb */ color: rgb(15, 35, 59);
/* oklch */ color: oklch(25.3% 0.053 254.2);
Tailwind
colors: {
  custom: {
    50: '#535d71',
    500: '#0f233b',
    950: '#000000',
  },
}
SCSS
$custom: #0f233b;
$custom-light: #535d71;
$custom-dark: #000000;
JSON
{
  "hex": "#0f233b",
  "rgb": {
    "r": 15,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 212.727,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25314,
    "c": 0.05262,
    "h": 254.2
  },
  "luminance": 0.01619
}

Semantic roles & 50–950 ramp

primary
#0F233B
secondary
#755630
accent
#9B45E3
background
#F4F5F6
surface
#E7E9EC
border
#C3C5C7
text
#030407
muted
#78797A

Preview Lab

Preview with #0F233B

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

Preview Lab → · Contrast checker → · Palette generator →

#0F233B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva