#243D40#243D40

#243D40 is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.1% C 0.031 H 205.4°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#243D40
RGB	rgb(36, 61, 64)
HSL	hsl(186, 28%, 20%)
HSV	hsv(186, 44%, 25%)
CMYK	cmyk(43.8%, 4.7%, 0%, 74.9%)
CIE-LAB	lab(23.94, -8.70, -4.90)
CIE-LCH	lch(23.94, 9.98, 209.38°)
OKLab	oklab(34.1% -0.0282 -0.0134)
OKLCH	oklch(34.1% 0.031 205.4)
XYZ	xyz(3.3214, 4.0825, 5.4625)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D40 #402724

analogous

#244035 #243D40 #242F40

triadic

#243D40 #40243D #3D4024

tetradic

#243D40 #352440 #402724 #2F4024

square

#243D40 #352440 #402724 #2F4024

split-complementary

#243D40 #40242F #403524

monochromatic

#0B1314 #0E1819 #243D40 #3A6267 #50888E

Accessibility & contrast

On white

11.56

#243D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#243D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D40

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D40	#FFFFFF	#000000	##FFFFFF
##243D40	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B40

Deuteranopia (green-blind)

#343740

Tritanopia (blue-blind)

#183F3E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #243d40;
/* rgb */ color: rgb(36, 61, 64);
/* oklch */ color: oklch(34.1% 0.031 205.4);

Tailwind

colors: {
  custom: {
    50: '#607274',
    500: '#243d40',
    950: '#000000',
  },
}

SCSS

$custom: #243d40;
$custom-light: #607274;
$custom-dark: #000000;

JSON

{
  "hex": "#243d40",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 186.429,
    "s": 28,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34101,
    "c": 0.03128,
    "h": 205.4
  },
  "luminance": 0.04083
}

Semantic roles & 50–950 ramp

primary

#243D40

secondary

#73514D

accent

#6E63C4

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#050808

muted

#797B7B

Preview Lab

Preview with #243D40

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

Preview Lab → · Contrast checker → · Palette generator →