#304243#304243

#304243 is a dark, muted teal. Relative luminance 0.049; OKLCH L 36.4% C 0.023 H 200.5°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#304243
RGB	rgb(48, 66, 67)
HSL	hsl(183, 17%, 23%)
HSV	hsv(183, 28%, 26%)
CMYK	cmyk(28.4%, 1.5%, 0%, 73.7%)
CIE-LAB	lab(26.53, -6.85, -2.94)
CIE-LCH	lch(26.53, 7.46, 203.25°)
OKLab	oklab(36.41% -0.0215 -0.008)
OKLCH	oklch(36.41% 0.023 200.5)
XYZ	xyz(4.1799, 4.9299, 6.0404)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304243 #433130

analogous

#30433A #304243 #303843

triadic

#304243 #433042 #424330

tetradic

#304243 #3A3043 #433130 #384330

square

#304243 #3A3043 #433130 #384330

split-complementary

#304243 #433038 #433A30

monochromatic

#0D1212 #161F1F #304243 #4A6567 #63888A

Accessibility & contrast

On white

10.57

#304243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#304243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304243

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304243	#FFFFFF	#000000	##FFFFFF
##304243	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4043

Deuteranopia (green-blind)

#3C3E43

Tritanopia (blue-blind)

#2A4342

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #304243;
/* rgb */ color: rgb(48, 66, 67);
/* oklch */ color: oklch(36.4% 0.023 200.5);

Tailwind

colors: {
  custom: {
    50: '#697677',
    500: '#304243',
    950: '#000000',
  },
}

SCSS

$custom: #304243;
$custom-light: #697677;
$custom-dark: #000000;

JSON

{
  "hex": "#304243",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 183.158,
    "s": 16.522,
    "l": 22.549
  },
  "oklch": {
    "l": 0.36408,
    "c": 0.02298,
    "h": 200.5
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary

#304243

secondary

#735D5B

accent

#726FB9

background

#F6F7F7

surface

#EBEDED

border

#C6C8C8

text

#060808

muted

#7A7B7B

Preview Lab

Preview with #304243

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

Preview Lab → · Contrast checker → · Palette generator →