#243588#243588

#243588 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.140 H 269.5°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX#243588
RGBrgb(36, 53, 136)
HSLhsl(230, 58%, 34%)
HSVhsv(230, 74%, 53%)
CMYKcmyk(73.5%, 61%, 0%, 46.7%)
CIE-LABlab(25.86, 23.45, -48.40)
CIE-LCHlch(25.86, 53.78, 295.85°)
OKLaboklab(36.99% -0.0013 -0.1396)
OKLCHoklch(36.99% 0.14 269.5)
XYZxyz(6.4431, 4.6982, 23.8551)
Luminance0.0470 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243588 #887724
analogous
#246788 #243588 #452488
triadic
#243588 #882435 #358824
tetradic
#243588 #882467 #887724 #248845
square
#243588 #882467 #887724 #248845
split-complementary
#243588 #884524 #678824
monochromatic
#0A0F27 #172258 #243588 #3148B8 #556AD2

Accessibility & contrast

On white

10.83
#243588 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#243588 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243588
10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243588#FFFFFF#000000##FFFFFF
##2435881.0010.831.9410.83
#FFFFFF10.831.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00428B
Deuteranopia (green-blind)
#003986
Tritanopia (blue-blind)
#004A59
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #243588;
/* rgb */ color: rgb(36, 53, 136);
/* oklch */ color: oklch(37.0% 0.140 269.5);
Tailwind
colors: {
  custom: {
    50: '#6d6cab',
    500: '#243588',
    950: '#000000',
  },
}
SCSS
$custom: #243588;
$custom-light: #6d6cab;
$custom-dark: #000000;
JSON
{
  "hex": "#243588",
  "rgb": {
    "r": 36,
    "g": 53,
    "b": 136
  },
  "hsl": {
    "h": 229.8,
    "s": 58.14,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36988,
    "c": 0.13965,
    "h": 269.5
  },
  "luminance": 0.04699
}

Semantic roles & 50–950 ramp

primary
#243588
secondary
#B6A552
accent
#C746E1
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#080610
muted
#7B7A7F

Preview Lab

Preview with #243588

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

Preview Lab → · Contrast checker → · Palette generator →

#243588 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva