#183E93#183E93

#183E93 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.147 H 263.2°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX#183E93
RGBrgb(24, 62, 147)
HSLhsl(221, 72%, 34%)
HSVhsv(221, 84%, 58%)
CMYKcmyk(83.7%, 57.8%, 0%, 42.4%)
CIE-LABlab(28.76, 20.22, -50.49)
CIE-LCHlch(28.76, 54.39, 291.83°)
OKLaboklab(39.31% -0.0175 -0.1459)
OKLCHoklch(39.31% 0.147 263.2)
XYZxyz(7.3639, 5.7451, 28.3189)
Luminance0.0575 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183E93 #936D18
analogous
#187B93 #183E93 #2F1893
triadic
#183E93 #93183E #3E9318
tetradic
#183E93 #93187B #936D18 #18932F
square
#183E93 #93187B #936D18 #18932F
split-complementary
#183E93 #932F18 #7B9318
monochromatic
#07122A #0F285E #183E93 #2154C8 #4575E1

Accessibility & contrast

On white

9.77
#183E93 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.15
#183E93 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E93
9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183E93#FFFFFF#000000##FFFFFF
##183E931.009.772.159.77
#FFFFFF9.771.0021.001.00
#0000002.1521.001.0021.00
##FFFFFF9.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004A96
Deuteranopia (green-blind)
#003E91
Tritanopia (blue-blind)
#005362
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #183e93;
/* rgb */ color: rgb(24, 62, 147);
/* oklch */ color: oklch(39.3% 0.147 263.2);
Tailwind
colors: {
  custom: {
    50: '#6c72b3',
    500: '#183e93',
    950: '#000000',
  },
}
SCSS
$custom: #183e93;
$custom-light: #6c72b3;
$custom-dark: #000000;
JSON
{
  "hex": "#183e93",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 147
  },
  "hsl": {
    "h": 221.463,
    "s": 71.93,
    "l": 33.529
  },
  "oklch": {
    "l": 0.39309,
    "c": 0.14691,
    "h": 263.2
  },
  "luminance": 0.05746
}

Semantic roles & 50–950 ramp

primary
#183E93
secondary
#C29B45
accent
#B739EF
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080811
muted
#7B7B80

Preview Lab

Preview with #183E93

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

Preview Lab → · Contrast checker → · Palette generator →

#183E93 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva