#243C42#243C42

#243C42 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.032 H 215.3°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#243C42
RGB	rgb(36, 60, 66)
HSL	hsl(192, 29%, 20%)
HSV	hsv(192, 45%, 26%)
CMYK	cmyk(45.5%, 9.1%, 0%, 74.1%)
CIE-LAB	lab(23.67, -7.45, -6.64)
CIE-LCH	lch(23.67, 9.98, 221.71°)
OKLab	oklab(33.91% -0.0258 -0.0182)
OKLCH	oklch(33.91% 0.032 215.3)
XYZ	xyz(3.3264, 3.9999, 5.7500)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C42 #422A24

analogous

#244239 #243C42 #242D42

triadic

#243C42 #42243C #3C4224

tetradic

#243C42 #392442 #422A24 #2D4224

square

#243C42 #392442 #422A24 #2D4224

split-complementary

#243C42 #42242D #423924

monochromatic

#0B1214 #0E181A #243C42 #3A606A #4F8491

Accessibility & contrast

On white

11.67

#243C42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#243C42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C42

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C42	#FFFFFF	#000000	##FFFFFF
##243C42	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A42

Deuteranopia (green-blind)

#333742

Tritanopia (blue-blind)

#183E3E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243c42;
/* rgb */ color: rgb(36, 60, 66);
/* oklch */ color: oklch(33.9% 0.032 215.3);

Tailwind

colors: {
  custom: {
    50: '#607176',
    500: '#243c42',
    950: '#000000',
  },
}

SCSS

$custom: #243c42;
$custom-light: #607176;
$custom-dark: #000000;

JSON

{
  "hex": "#243c42",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 66
  },
  "hsl": {
    "h": 192,
    "s": 29.412,
    "l": 20
  },
  "oklch": {
    "l": 0.3391,
    "c": 0.03158,
    "h": 215.3
  },
  "luminance": 0.04
}

Semantic roles & 50–950 ramp

primary

#243C42

secondary

#75554D

accent

#7662C6

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#050708

muted

#797A7B

Preview Lab

Preview with #243C42

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

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