#28343A#28343A

#28343A is a dark, near-neutral cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.019 H 229.7°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#28343A
RGB	rgb(40, 52, 58)
HSL	hsl(200, 18%, 19%)
HSV	hsv(200, 31%, 23%)
CMYK	cmyk(31%, 10.3%, 0%, 77.3%)
CIE-LAB	lab(20.88, -3.31, -5.42)
CIE-LCH	lch(20.88, 6.35, 238.60°)
OKLab	oklab(31.66% -0.0125 -0.0148)
OKLCH	oklch(31.66% 0.019 229.7)
XYZ	xyz(2.8666, 3.2125, 4.4712)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28343A #3A2E28

analogous

#283A37 #28343A #282B3A

triadic

#28343A #3A2834 #343A28

tetradic

#28343A #37283A #3A2E28 #2B3A28

square

#28343A #37283A #3A2E28 #2B3A28

split-complementary

#28343A #3A282B #3A3728

monochromatic

#0C1012 #0F1416 #28343A #41545E #5A7582

Accessibility & contrast

On white

12.78

#28343A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#28343A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28343A

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28343A	#FFFFFF	#000000	##FFFFFF
##28343A	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31333A

Deuteranopia (green-blind)

#2E313A

Tritanopia (blue-blind)

#233636

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #28343a;
/* rgb */ color: rgb(40, 52, 58);
/* oklch */ color: oklch(31.7% 0.019 229.7);

Tailwind

colors: {
  custom: {
    50: '#626b70',
    500: '#28343a',
    950: '#000000',
  },
}

SCSS

$custom: #28343a;
$custom-light: #626b70;
$custom-dark: #000000;

JSON

{
  "hex": "#28343a",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 58
  },
  "hsl": {
    "h": 200,
    "s": 18.367,
    "l": 19.216
  },
  "oklch": {
    "l": 0.31658,
    "c": 0.01937,
    "h": 229.7
  },
  "luminance": 0.03213
}

Semantic roles & 50–950 ramp

primary

#28343A

secondary

#6B5B53

accent

#876DBB

background

#F5F6F6

surface

#EAEBEC

border

#C6C6C7

text

#050607

muted

#797A7A

Preview Lab

Preview with #28343A

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

Preview Lab → · Contrast checker → · Palette generator →