#243C3A#243C3A

#243C3A is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.6% C 0.030 H 189.2°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#243C3A
RGB	rgb(36, 60, 58)
HSL	hsl(175, 25%, 19%)
HSV	hsv(175, 40%, 24%)
CMYK	cmyk(40%, 0%, 3.3%, 76.5%)
CIE-LAB	lab(23.38, -9.87, -1.73)
CIE-LCH	lch(23.38, 10.02, 189.95°)
OKLab	oklab(33.58% -0.0298 -0.0048)
OKLCH	oklch(33.58% 0.03 189.2)
XYZ	xyz(3.1069, 3.9121, 4.5936)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C3A #3C2426

analogous

#243C2E #243C3A #24323C

triadic

#243C3A #3A243C #3C3A24

tetradic

#243C3A #2E243C #3C2426 #323C24

square

#243C3A #2E243C #3C2426 #323C24

split-complementary

#243C3A #3C2432 #3C2E24

monochromatic

#0B1312 #0D1615 #243C3A #3B625F #528984

Accessibility & contrast

On white

11.78

#243C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#243C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C3A

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C3A	#FFFFFF	#000000	##FFFFFF
##243C3A	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393A3A

Deuteranopia (green-blind)

#35363A

Tritanopia (blue-blind)

#1B3D3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243c3a;
/* rgb */ color: rgb(36, 60, 58);
/* oklch */ color: oklch(33.6% 0.030 189.2);

Tailwind

colors: {
  custom: {
    50: '#607170',
    500: '#243c3a',
    950: '#000000',
  },
}

SCSS

$custom: #243c3a;
$custom-light: #607170;
$custom-dark: #000000;

JSON

{
  "hex": "#243c3a",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 175,
    "s": 25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33579,
    "c": 0.03016,
    "h": 189.2
  },
  "luminance": 0.03912
}

Semantic roles & 50–950 ramp

primary

#243C3A

secondary

#6E4D50

accent

#666EC1

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#050707

muted

#797A7A

Preview Lab

Preview with #243C3A

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

Preview Lab → · Contrast checker → · Palette generator →