#243A53#243A53

#243A53 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.052 H 252.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX#243A53
RGBrgb(36, 58, 83)
HSLhsl(212, 39%, 23%)
HSVhsv(212, 57%, 33%)
CMYKcmyk(56.6%, 30.1%, 0%, 67.5%)
CIE-LABlab(23.76, -0.37, -17.79)
CIE-LCHlch(23.76, 17.80, 268.81°)
OKLaboklab(34.23% -0.0158 -0.0499)
OKLCHoklch(34.23% 0.052 252.5)
XYZxyz(3.8014, 4.0254, 8.7586)
Luminance0.0403 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243A53 #533D24
analogous
#245153 #243A53 #252453
triadic
#243A53 #53243A #3A5324
tetradic
#243A53 #532451 #533D24 #245325
square
#243A53 #532451 #533D24 #245325
split-complementary
#243A53 #532524 #515324
monochromatic
#090F15 #111C28 #243A53 #37587E #4976A8

Accessibility & contrast

On white

11.63
#243A53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#243A53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A53
11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243A53#FFFFFF#000000##FFFFFF
##243A531.0011.631.8111.63
#FFFFFF11.631.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#303B54
Deuteranopia (green-blind)
#2A3652
Tritanopia (blue-blind)
#0B4043
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #243a53;
/* rgb */ color: rgb(36, 58, 83);
/* oklch */ color: oklch(34.2% 0.052 252.5);
Tailwind
colors: {
  custom: {
    50: '#627083',
    500: '#243a53',
    950: '#000000',
  },
}
SCSS
$custom: #243a53;
$custom-light: #627083;
$custom-dark: #000000;
JSON
{
  "hex": "#243a53",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 83
  },
  "hsl": {
    "h": 211.915,
    "s": 39.496,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34228,
    "c": 0.05231,
    "h": 252.5
  },
  "luminance": 0.04026
}

Semantic roles & 50–950 ramp

primary
#243A53
secondary
#876B4C
accent
#9858CF
background
#F6F6F8
surface
#EBECEF
border
#C6C7CA
text
#05070A
muted
#7A7A7C

Preview Lab

Preview with #243A53

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

Preview Lab → · Contrast checker → · Palette generator →

#243A53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva