#303C42#303C42

#303C42 is a dark, near-neutral cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.019 H 229.6°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#303C42
RGB	rgb(48, 60, 66)
HSL	hsl(200, 16%, 22%)
HSV	hsv(200, 27%, 26%)
CMYK	cmyk(27.3%, 9.1%, 0%, 74.1%)
CIE-LAB	lab(24.49, -3.30, -5.32)
CIE-LCH	lch(24.49, 6.26, 238.23°)
OKLab	oklab(34.78% -0.0123 -0.0145)
OKLCH	oklch(34.78% 0.019 229.6)
XYZ	xyz(3.8179, 4.2533, 5.7730)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303C42 #423630

analogous

#30423F #303C42 #303342

triadic

#303C42 #42303C #3C4230

tetradic

#303C42 #3F3042 #423630 #334230

square

#303C42 #3F3042 #423630 #334230

split-complementary

#303C42 #423033 #423F30

monochromatic

#0D1012 #161C1F #303C42 #4A5C65 #647C89

Accessibility & contrast

On white

11.35

#303C42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#303C42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303C42

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303C42	#FFFFFF	#000000	##FFFFFF
##303C42	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B42

Deuteranopia (green-blind)

#363942

Tritanopia (blue-blind)

#2B3E3E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #303c42;
/* rgb */ color: rgb(48, 60, 66);
/* oklch */ color: oklch(34.8% 0.019 229.6);

Tailwind

colors: {
  custom: {
    50: '#687176',
    500: '#303c42',
    950: '#000000',
  },
}

SCSS

$custom: #303c42;
$custom-light: #687176;
$custom-dark: #000000;

JSON

{
  "hex": "#303c42",
  "rgb": {
    "r": 48,
    "g": 60,
    "b": 66
  },
  "hsl": {
    "h": 200,
    "s": 15.789,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34777,
    "c": 0.01901,
    "h": 229.6
  },
  "luminance": 0.04253
}

Semantic roles & 50–950 ramp

primary

#303C42

secondary

#72635C

accent

#886FB9

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #303C42

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

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