#303E42#303E42

#303E42 is a dark, near-neutral cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.020 H 217.1°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#303E42
RGB	rgb(48, 62, 66)
HSL	hsl(193, 16%, 22%)
HSV	hsv(193, 27%, 26%)
CMYK	cmyk(27.3%, 6.1%, 0%, 74.1%)
CIE-LAB	lab(25.16, -4.59, -4.33)
CIE-LCH	lch(25.16, 6.31, 223.32°)
OKLab	oklab(35.3% -0.0156 -0.0118)
OKLCH	oklch(35.3% 0.02 217.1)
XYZ	xyz(3.9246, 4.4668, 5.8086)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E42 #423430

analogous

#30423D #303E42 #303542

triadic

#303E42 #42303E #3E4230

tetradic

#303E42 #3D3042 #423430 #354230

square

#303E42 #3D3042 #423430 #354230

split-complementary

#303E42 #423035 #423D30

monochromatic

#0D1112 #161D1F #303E42 #4A5F65 #648189

Accessibility & contrast

On white

11.09

#303E42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#303E42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E42

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E42	#FFFFFF	#000000	##FFFFFF
##303E42	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3D42

Deuteranopia (green-blind)

#383B42

Tritanopia (blue-blind)

#2B403F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #303e42;
/* rgb */ color: rgb(48, 62, 66);
/* oklch */ color: oklch(35.3% 0.020 217.1);

Tailwind

colors: {
  custom: {
    50: '#687376',
    500: '#303e42',
    950: '#000000',
  },
}

SCSS

$custom: #303e42;
$custom-light: #687376;
$custom-dark: #000000;

JSON

{
  "hex": "#303e42",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 66
  },
  "hsl": {
    "h": 193.333,
    "s": 15.789,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35304,
    "c": 0.01953,
    "h": 217.1
  },
  "luminance": 0.04467
}

Semantic roles & 50–950 ramp

primary

#303E42

secondary

#72615C

accent

#806FB9

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#060808

muted

#7A7B7B

Preview Lab

Preview with #303E42

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

Preview Lab → · Contrast checker → · Palette generator →