#180E58#180E58

#180E58 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.3% C 0.123 H 278.0°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX#180E58
RGBrgb(24, 14, 88)
HSLhsl(248, 73%, 20%)
HSVhsv(248, 84%, 35%)
CMYKcmyk(72.7%, 84.1%, 0%, 65.5%)
CIE-LABlab(10.65, 29.64, -42.27)
CIE-LCHlch(10.65, 51.62, 305.04°)
OKLaboklab(24.29% 0.0173 -0.1221)
OKLCHoklch(24.29% 0.123 278)
XYZxyz(2.2946, 1.2126, 9.3438)
Luminance0.0121 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#180E58 #4E580E
analogous
#0E2958 #180E58 #3D0E58
triadic
#180E58 #58180E #0E5818
tetradic
#180E58 #580E29 #4E580E #0E583D
square
#180E58 #580E29 #4E580E #0E583D
split-complementary
#180E58 #583D0E #29580E
monochromatic
#07041A #0A0623 #180E58 #26168D #351FC2

Accessibility & contrast

On white

16.90
#180E58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.24
#180E58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E58
16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##180E58#FFFFFF#000000##FFFFFF
##180E581.0016.901.2416.90
#FFFFFF16.901.0021.001.00
#0000001.2421.001.0021.00
##FFFFFF16.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00205A
Deuteranopia (green-blind)
#001A57
Tritanopia (blue-blind)
#002433
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #180e58;
/* rgb */ color: rgb(24, 14, 88);
/* oklch */ color: oklch(24.3% 0.123 278.0);
Tailwind
colors: {
  custom: {
    50: '#604e88',
    500: '#180e58',
    950: '#000000',
  },
}
SCSS
$custom: #180e58;
$custom-light: #604e88;
$custom-dark: #000000;
JSON
{
  "hex": "#180e58",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 88
  },
  "hsl": {
    "h": 248.108,
    "s": 72.549,
    "l": 20
  },
  "oklch": {
    "l": 0.24285,
    "c": 0.12333,
    "h": 278
  },
  "luminance": 0.01213
}

Semantic roles & 50–950 ramp

primary
#180E58
secondary
#859230
accent
#EF39D7
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#05020B
muted
#7A787C

Preview Lab

Preview with #180E58

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

Preview Lab → · Contrast checker → · Palette generator →

#180E58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva