#183090#183090

#183090 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.160 H 266.7°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX#183090
RGBrgb(24, 48, 144)
HSLhsl(228, 71%, 33%)
HSVhsv(228, 83%, 56%)
CMYKcmyk(83.3%, 66.7%, 0%, 43.5%)
CIE-LABlab(24.71, 28.66, -55.27)
CIE-LCHlch(24.71, 62.26, 297.41°)
OKLaboklab(36.21% -0.0093 -0.1601)
OKLCHoklch(36.21% 0.16 266.7)
XYZxyz(6.4659, 4.3209, 26.8734)
Luminance0.0432 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183090 #907818
analogous
#186C90 #183090 #3C1890
triadic
#183090 #901830 #309018
tetradic
#183090 #90186C #907818 #18903C
square
#183090 #90186C #907818 #18903C
split-complementary
#183090 #903C18 #6C9018
monochromatic
#070D27 #0F1F5C #183090 #2141C4 #4362E0

Accessibility & contrast

On white

11.26
#183090 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#183090 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183090
11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183090#FFFFFF#000000##FFFFFF
##1830901.0011.261.8611.26
#FFFFFF11.261.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004093
Deuteranopia (green-blind)
#00358E
Tritanopia (blue-blind)
#004A5B
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #183090;
/* rgb */ color: rgb(24, 48, 144);
/* oklch */ color: oklch(36.2% 0.160 266.7);
Tailwind
colors: {
  custom: {
    50: '#6c68b1',
    500: '#183090',
    950: '#000000',
  },
}
SCSS
$custom: #183090;
$custom-light: #6c68b1;
$custom-dark: #000000;
JSON
{
  "hex": "#183090",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 228,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36207,
    "c": 0.16034,
    "h": 266.7
  },
  "luminance": 0.04322
}

Semantic roles & 50–950 ramp

primary
#183090
secondary
#C0A743
accent
#CA3AEE
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#080611
muted
#7B7A80

Preview Lab

Preview with #183090

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

Preview Lab → · Contrast checker → · Palette generator →

#183090 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva