#243F68#243F68

#243F68 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.078 H 258.5°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#243F68
RGBrgb(36, 63, 104)
HSLhsl(216, 49%, 27%)
HSVhsv(216, 65%, 41%)
CMYKcmyk(65.4%, 39.4%, 0%, 59.2%)
CIE-LABlab(26.53, 4.06, -27.09)
CIE-LCHlch(26.53, 27.39, 278.52°)
OKLaboklab(36.78% -0.0156 -0.0769)
OKLCHoklch(36.78% 0.078 258.5)
XYZxyz(5.0029, 4.9291, 13.7818)
Luminance0.0493 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243F68 #684D24
analogous
#246168 #243F68 #2B2468
triadic
#243F68 #68243F #3F6824
tetradic
#243F68 #682461 #684D24 #24682B
square
#243F68 #682461 #684D24 #24682B
split-complementary
#243F68 #682B24 #616824
monochromatic
#080E17 #14233B #243F68 #345B95 #4777BF

Accessibility & contrast

On white

10.57
#243F68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#243F68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F68
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243F68#FFFFFF#000000##FFFFFF
##243F681.0010.571.9910.57
#FFFFFF10.571.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D426A
Deuteranopia (green-blind)
#243C67
Tritanopia (blue-blind)
#00484E
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #243f68;
/* rgb */ color: rgb(36, 63, 104);
/* oklch */ color: oklch(36.8% 0.078 258.5);
Tailwind
colors: {
  custom: {
    50: '#667393',
    500: '#243f68',
    950: '#000000',
  },
}
SCSS
$custom: #243f68;
$custom-light: #667393;
$custom-dark: #000000;
JSON
{
  "hex": "#243f68",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 216.176,
    "s": 48.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36775,
    "c": 0.07843,
    "h": 258.5
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary
#243F68
secondary
#9B7C4C
accent
#A250D8
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #243F68

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

Preview Lab → · Contrast checker → · Palette generator →

#243F68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva