#243A76#243A76

#243A76 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.106 H 266.1°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX#243A76
RGBrgb(36, 58, 118)
HSLhsl(224, 53%, 30%)
HSVhsv(224, 69%, 46%)
CMYKcmyk(69.5%, 50.8%, 0%, 53.7%)
CIE-LABlab(25.89, 12.95, -37.04)
CIE-LCHlch(25.89, 39.24, 289.27°)
OKLaboklab(36.57% -0.0072 -0.1062)
OKLCHoklch(36.57% 0.106 266.1)
XYZxyz(5.5095, 4.7087, 17.7545)
Luminance0.0471 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243A76 #766024
analogous
#246376 #243A76 #372476
triadic
#243A76 #76243A #3A7624
tetradic
#243A76 #762463 #766024 #247637
square
#243A76 #762463 #766024 #247637
split-complementary
#243A76 #763724 #637624
monochromatic
#070C18 #162347 #243A76 #3251A5 #4C6DC8

Accessibility & contrast

On white

10.81
#243A76 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#243A76 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A76
10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243A76#FFFFFF#000000##FFFFFF
##243A761.0010.811.9410.81
#FFFFFF10.811.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A4178
Deuteranopia (green-blind)
#053A75
Tritanopia (blue-blind)
#004852
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #243a76;
/* rgb */ color: rgb(36, 58, 118);
/* oklch */ color: oklch(36.6% 0.106 266.1);
Tailwind
colors: {
  custom: {
    50: '#696f9e',
    500: '#243a76',
    950: '#000000',
  },
}
SCSS
$custom: #243a76;
$custom-light: #696f9e;
$custom-dark: #000000;
JSON
{
  "hex": "#243a76",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 118
  },
  "hsl": {
    "h": 223.902,
    "s": 53.247,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3657,
    "c": 0.1064,
    "h": 266.1
  },
  "luminance": 0.04709
}

Semantic roles & 50–950 ramp

primary
#243A76
secondary
#A9904D
accent
#B64BDD
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#07070E
muted
#7A7A7E

Preview Lab

Preview with #243A76

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

Preview Lab → · Contrast checker → · Palette generator →

#243A76 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva