#243F3E#243F3E

#243F3E is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.6% C 0.033 H 192.7°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#243F3E
RGB	rgb(36, 63, 62)
HSL	hsl(178, 27%, 19%)
HSV	hsv(178, 43%, 25%)
CMYK	cmyk(42.9%, 0%, 1.6%, 75.3%)
CIE-LAB	lab(24.57, -10.54, -2.64)
CIE-LCH	lch(24.57, 10.86, 194.04°)
OKLab	oklab(34.58% -0.0322 -0.0073)
OKLCH	oklch(34.58% 0.033 192.7)
XYZ	xyz(3.3742, 4.2777, 5.2044)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F3E #3F2425

analogous

#243F31 #243F3E #24333F

triadic

#243F3E #3E243F #3F3E24

tetradic

#243F3E #31243F #3F2425 #333F24

square

#243F3E #31243F #3F2425 #333F24

split-complementary

#243F3E #3F2433 #3F3124

monochromatic

#0B1313 #0E1818 #243F3E #3A6664 #518D8B

Accessibility & contrast

On white

11.32

#243F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#243F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F3E

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F3E	#FFFFFF	#000000	##FFFFFF
##243F3E	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3E

Deuteranopia (green-blind)

#37393E

Tritanopia (blue-blind)

#19403F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243f3e;
/* rgb */ color: rgb(36, 63, 62);
/* oklch */ color: oklch(34.6% 0.033 192.7);

Tailwind

colors: {
  custom: {
    50: '#607473',
    500: '#243f3e',
    950: '#000000',
  },
}

SCSS

$custom: #243f3e;
$custom-light: #607473;
$custom-dark: #000000;

JSON

{
  "hex": "#243f3e",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 177.778,
    "s": 27.273,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34578,
    "c": 0.03304,
    "h": 192.7
  },
  "luminance": 0.04278
}

Semantic roles & 50–950 ramp

primary

#243F3E

secondary

#724D4F

accent

#6468C4

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#050808

muted

#797B7B

Preview Lab

Preview with #243F3E

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

Preview Lab → · Contrast checker → · Palette generator →