#243F40#243F40

#243F40 is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.7% C 0.033 H 198.8°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#243F40
RGB	rgb(36, 63, 64)
HSL	hsl(182, 28%, 20%)
HSV	hsv(182, 44%, 25%)
CMYK	cmyk(43.8%, 1.6%, 0%, 74.9%)
CIE-LAB	lab(24.64, -9.94, -3.86)
CIE-LCH	lch(24.64, 10.66, 201.22°)
OKLab	oklab(34.66% -0.0312 -0.0106)
OKLCH	oklch(34.66% 0.033 198.8)
XYZ	xyz(3.4301, 4.3000, 5.4987)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F40 #402524

analogous

#244033 #243F40 #243140

triadic

#243F40 #40243F #3F4024

tetradic

#243F40 #332440 #402524 #314024

square

#243F40 #332440 #402524 #314024

split-complementary

#243F40 #402431 #403324

monochromatic

#0B1314 #0E1819 #243F40 #3A6667 #508C8E

Accessibility & contrast

On white

11.29

#243F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#243F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F40

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F40	#FFFFFF	#000000	##FFFFFF
##243F40	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3D40

Deuteranopia (green-blind)

#373940

Tritanopia (blue-blind)

#18413F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243f40;
/* rgb */ color: rgb(36, 63, 64);
/* oklch */ color: oklch(34.7% 0.033 198.8);

Tailwind

colors: {
  custom: {
    50: '#607474',
    500: '#243f40',
    950: '#000000',
  },
}

SCSS

$custom: #243f40;
$custom-light: #607474;
$custom-dark: #000000;

JSON

{
  "hex": "#243f40",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 182.143,
    "s": 28,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34658,
    "c": 0.03297,
    "h": 198.8
  },
  "luminance": 0.043
}

Semantic roles & 50–950 ramp

primary

#243F40

secondary

#734E4D

accent

#6763C4

background

#F5F7F7

surface

#EAEDED

border

#C6C8C8

text

#050808

muted

#797B7B

Preview Lab

Preview with #243F40

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

Preview Lab → · Contrast checker → · Palette generator →