#243A49#243A49

#243A49 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.038 H 239.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX#243A49
RGBrgb(36, 58, 73)
HSLhsl(204, 34%, 21%)
HSVhsv(204, 51%, 29%)
CMYKcmyk(50.7%, 20.5%, 0%, 71.4%)
CIE-LABlab(23.28, -3.86, -11.90)
CIE-LCHlch(23.28, 12.51, 252.01°)
OKLaboklab(33.69% -0.0197 -0.033)
OKLCHoklch(33.69% 0.038 239.2)
XYZxyz(3.4428, 3.8820, 6.8699)
Luminance0.0388 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243A49 #493324
analogous
#244946 #243A49 #242849
triadic
#243A49 #49243A #3A4924
tetradic
#243A49 #462449 #493324 #284924
square
#243A49 #462449 #493324 #284924
split-complementary
#243A49 #492428 #494624
monochromatic
#0A1014 #101920 #243A49 #385B72 #4C7B9B

Accessibility & contrast

On white

11.82
#243A49 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#243A49 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A49
11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243A49#FFFFFF#000000##FFFFFF
##243A491.0011.821.7811.82
#FFFFFF11.821.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#333A4A
Deuteranopia (green-blind)
#2E3649
Tritanopia (blue-blind)
#143E3F
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #243a49;
/* rgb */ color: rgb(36, 58, 73);
/* oklch */ color: oklch(33.7% 0.038 239.2);
Tailwind
colors: {
  custom: {
    50: '#61707b',
    500: '#243a49',
    950: '#000000',
  },
}
SCSS
$custom: #243a49;
$custom-light: #61707b;
$custom-dark: #000000;
JSON
{
  "hex": "#243a49",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 73
  },
  "hsl": {
    "h": 204.324,
    "s": 33.945,
    "l": 21.373
  },
  "oklch": {
    "l": 0.33694,
    "c": 0.03843,
    "h": 239.2
  },
  "luminance": 0.03882
}

Semantic roles & 50–950 ramp

primary
#243A49
secondary
#7C604D
accent
#8A5ECA
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#050709
muted
#797A7B

Preview Lab

Preview with #243A49

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

Preview Lab → · Contrast checker → · Palette generator →

#243A49 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva