#243F3F#243F3F

#243F3F is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.6% C 0.033 H 195.7°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#243F3F
RGB	rgb(36, 63, 63)
HSL	hsl(180, 27%, 19%)
HSV	hsv(180, 43%, 25%)
CMYK	cmyk(42.9%, 0%, 0%, 75.3%)
CIE-LAB	lab(24.60, -10.24, -3.25)
CIE-LCH	lch(24.60, 10.74, 197.60°)
OKLab	oklab(34.62% -0.0317 -0.0089)
OKLCH	oklch(34.62% 0.033 195.7)
XYZ	xyz(3.4019, 4.2887, 5.3502)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F3F #3F2424

analogous

#243F32 #243F3F #24323F

triadic

#243F3F #3F243F #3F3F24

tetradic

#243F3F #32243F #3F2424 #323F24

square

#243F3F #32243F #3F2424 #323F24

split-complementary

#243F3F #3F2432 #3F3224

monochromatic

#0B1313 #0E1818 #243F3F #3A6666 #518D8D

Accessibility & contrast

On white

11.30

#243F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#243F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F3F

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F3F	#FFFFFF	#000000	##FFFFFF
##243F3F	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3D3F

Deuteranopia (green-blind)

#37393F

Tritanopia (blue-blind)

#19413F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243f3f;
/* rgb */ color: rgb(36, 63, 63);
/* oklch */ color: oklch(34.6% 0.033 195.7);

Tailwind

colors: {
  custom: {
    50: '#607474',
    500: '#243f3f',
    950: '#000000',
  },
}

SCSS

$custom: #243f3f;
$custom-light: #607474;
$custom-dark: #000000;

JSON

{
  "hex": "#243f3f",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 180,
    "s": 27.273,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34618,
    "c": 0.03296,
    "h": 195.7
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#243F3F

secondary

#724D4D

accent

#6464C4

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#050808

muted

#797B7B

Preview Lab

Preview with #243F3F

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

Preview Lab → · Contrast checker → · Palette generator →