#243B45#243B45

#243B45 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.034 H 227.2°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX#243B45
RGBrgb(36, 59, 69)
HSLhsl(198, 31%, 21%)
HSVhsv(198, 48%, 27%)
CMYKcmyk(47.8%, 14.5%, 0%, 72.9%)
CIE-LABlab(23.45, -5.84, -8.98)
CIE-LCHlch(23.45, 10.71, 236.93°)
OKLaboklab(33.77% -0.0229 -0.0248)
OKLCHoklch(33.77% 0.034 227.2)
XYZxyz(3.3653, 3.9324, 6.2108)
Luminance0.0393 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243B45 #452E24
analogous
#24453E #243B45 #242A45
triadic
#243B45 #45243B #3B4524
tetradic
#243B45 #3E2445 #452E24 #2A4524
square
#243B45 #3E2445 #452E24 #2A4524
split-complementary
#243B45 #45242A #453E24
monochromatic
#0A1114 #0F191D #243B45 #395D6D #4E8095

Accessibility & contrast

On white

11.75
#243B45 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#243B45 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B45
11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243B45#FFFFFF#000000##FFFFFF
##243B451.0011.751.7911.75
#FFFFFF11.751.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#363A46
Deuteranopia (green-blind)
#313645
Tritanopia (blue-blind)
#163E3E
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #243b45;
/* rgb */ color: rgb(36, 59, 69);
/* oklch */ color: oklch(33.8% 0.034 227.2);
Tailwind
colors: {
  custom: {
    50: '#617078',
    500: '#243b45',
    950: '#000000',
  },
}
SCSS
$custom: #243b45;
$custom-light: #617078;
$custom-dark: #000000;
JSON
{
  "hex": "#243b45",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 198.182,
    "s": 31.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.33771,
    "c": 0.03373,
    "h": 227.2
  },
  "luminance": 0.03933
}

Semantic roles & 50–950 ramp

primary
#243B45
secondary
#785A4D
accent
#8060C8
background
#F5F6F7
surface
#EAECED
border
#C6C7C8
text
#050709
muted
#797A7B

Preview Lab

Preview with #243B45

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

Preview Lab → · Contrast checker → · Palette generator →

#243B45 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva