#23489A#23489A

#23489A is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.141 H 263.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#23489A
RGBrgb(35, 72, 154)
HSLhsl(221, 63%, 37%)
HSVhsv(221, 77%, 60%)
CMYKcmyk(77.3%, 53.2%, 0%, 39.6%)
CIE-LABlab(32.53, 17.35, -48.62)
CIE-LCHlch(32.53, 51.62, 289.64°)
OKLaboklab(42.45% -0.0163 -0.14)
OKLCHoklch(42.45% 0.141 263.3)
XYZxyz(8.8412, 7.3242, 31.5133)
Luminance0.0732 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#23489A #9A7523
analogous
#23839A #23489A #3A239A
triadic
#23489A #9A2348 #489A23
tetradic
#23489A #9A2383 #9A7523 #239A3A
square
#23489A #9A2383 #9A7523 #239A3A
split-complementary
#23489A #9A3A23 #839A23
monochromatic
#0C1936 #183168 #23489A #2E5FCC #5D84DA

Accessibility & contrast

On white

8.52
#23489A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#23489A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23489A
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##23489A#FFFFFF#000000##FFFFFF
##23489A1.008.522.478.52
#FFFFFF8.521.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E529D
Deuteranopia (green-blind)
#004798
Tritanopia (blue-blind)
#005C6A
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #23489a;
/* rgb */ color: rgb(35, 72, 154);
/* oklch */ color: oklch(42.4% 0.141 263.3);
Tailwind
colors: {
  custom: {
    50: '#707ab8',
    500: '#23489a',
    950: '#000000',
  },
}
SCSS
$custom: #23489a;
$custom-light: #707ab8;
$custom-dark: #000000;
JSON
{
  "hex": "#23489a",
  "rgb": {
    "r": 35,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 221.345,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42445,
    "c": 0.14093,
    "h": 263.3
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary
#23489A
secondary
#BFA05A
accent
#B342E6
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090911
muted
#7B7B80

Preview Lab

Preview with #23489A

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

Preview Lab → · Contrast checker → · Palette generator →

#23489A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva