#243A56#243A56

#243A56 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.057 H 255.0°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX#243A56
RGBrgb(36, 58, 86)
HSLhsl(214, 41%, 24%)
HSVhsv(214, 58%, 34%)
CMYKcmyk(58.1%, 32.6%, 0%, 66.3%)
CIE-LABlab(23.91, 0.72, -19.52)
CIE-LCHlch(23.91, 19.54, 272.10°)
OKLaboklab(34.4% -0.0147 -0.0549)
OKLCHoklch(34.4% 0.057 255)
XYZxyz(3.9197, 4.0728, 9.3819)
Luminance0.0407 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243A56 #564024
analogous
#245356 #243A56 #272456
triadic
#243A56 #56243A #3A5624
tetradic
#243A56 #562453 #564024 #245627
square
#243A56 #562453 #564024 #245627
split-complementary
#243A56 #562724 #535624
monochromatic
#090F16 #121D2B #243A56 #365781 #4874AC

Accessibility & contrast

On white

11.57
#243A56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#243A56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A56
11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243A56#FFFFFF#000000##FFFFFF
##243A561.0011.571.8111.57
#FFFFFF11.571.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3C57
Deuteranopia (green-blind)
#283755
Tritanopia (blue-blind)
#074044
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #243a56;
/* rgb */ color: rgb(36, 58, 86);
/* oklch */ color: oklch(34.4% 0.057 255.0);
Tailwind
colors: {
  custom: {
    50: '#636f85',
    500: '#243a56',
    950: '#000000',
  },
}
SCSS
$custom: #243a56;
$custom-light: #636f85;
$custom-dark: #000000;
JSON
{
  "hex": "#243a56",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 86
  },
  "hsl": {
    "h": 213.6,
    "s": 40.984,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34401,
    "c": 0.05683,
    "h": 255
  },
  "luminance": 0.04073
}

Semantic roles & 50–950 ramp

primary
#243A56
secondary
#8A6F4C
accent
#9B57D1
background
#F6F6F8
surface
#EBECEF
border
#C6C7CA
text
#05070B
muted
#7A7A7C

Preview Lab

Preview with #243A56

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

Preview Lab → · Contrast checker → · Palette generator →

#243A56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva