#180E4C#180E4C

#180E4C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.9% C 0.107 H 281.2°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX#180E4C
RGBrgb(24, 14, 76)
HSLhsl(250, 69%, 18%)
HSVhsv(250, 82%, 30%)
CMYKcmyk(68.4%, 81.6%, 0%, 70.2%)
CIE-LABlab(9.24, 25.42, -36.37)
CIE-LCHlch(9.24, 44.37, 304.95°)
OKLaboklab(22.87% 0.0207 -0.1049)
OKLCHoklch(22.87% 0.107 281.2)
XYZxyz(1.8378, 1.0299, 6.9380)
Luminance0.0103 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#180E4C #424C0E
analogous
#0E234C #180E4C #370E4C
triadic
#180E4C #4C180E #0E4C18
tetradic
#180E4C #4C0E23 #424C0E #0E4C37
square
#180E4C #4C0E23 #424C0E #0E4C37
split-complementary
#180E4C #4C370E #234C0E
monochromatic
#08051A #08051A #180E4C #281880 #3921B3

Accessibility & contrast

On white

17.41
#180E4C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.21
#180E4C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E4C
17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##180E4C#FFFFFF#000000##FFFFFF
##180E4C1.0017.411.2117.41
#FFFFFF17.411.0021.001.00
#0000001.2121.001.0021.00
##FFFFFF17.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001C4E
Deuteranopia (green-blind)
#00184B
Tritanopia (blue-blind)
#001F2C
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #180e4c;
/* rgb */ color: rgb(24, 14, 76);
/* oklch */ color: oklch(22.9% 0.107 281.2);
Tailwind
colors: {
  custom: {
    50: '#5d4e7f',
    500: '#180e4c',
    950: '#000000',
  },
}
SCSS
$custom: #180e4c;
$custom-light: #5d4e7f;
$custom-dark: #000000;
JSON
{
  "hex": "#180e4c",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 76
  },
  "hsl": {
    "h": 249.677,
    "s": 68.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22871,
    "c": 0.10692,
    "h": 281.2
  },
  "luminance": 0.0103
}

Semantic roles & 50–950 ramp

primary
#180E4C
secondary
#79872F
accent
#EC3CCF
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05010A
muted
#79777C

Preview Lab

Preview with #180E4C

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

Preview Lab → · Contrast checker → · Palette generator →

#180E4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva