#28343B#28343B

#28343B is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.020 H 233.9°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#28343B
RGB	rgb(40, 52, 59)
HSL	hsl(202, 19%, 19%)
HSV	hsv(202, 32%, 23%)
CMYK	cmyk(32.2%, 11.9%, 0%, 76.9%)
CIE-LAB	lab(20.91, -3.02, -6.04)
CIE-LCH	lch(20.91, 6.75, 243.48°)
OKLab	oklab(31.7% -0.012 -0.0165)
OKLCH	oklch(31.7% 0.02 233.9)
XYZ	xyz(2.8922, 3.2227, 4.6065)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28343B #3B2F28

analogous

#283B39 #28343B #282B3B

triadic

#28343B #3B2834 #343B28

tetradic

#28343B #39283B #3B2F28 #2B3B28

square

#28343B #39283B #3B2F28 #2B3B28

split-complementary

#28343B #3B282B #3B3928

monochromatic

#0C1012 #0F1417 #28343B #41545F #597484

Accessibility & contrast

On white

12.77

#28343B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#28343B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28343B

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28343B	#FFFFFF	#000000	##FFFFFF
##28343B	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31343B

Deuteranopia (green-blind)

#2E313B

Tritanopia (blue-blind)

#223636

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #28343b;
/* rgb */ color: rgb(40, 52, 59);
/* oklch */ color: oklch(31.7% 0.020 233.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28343b",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 202.105,
    "s": 19.192,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31702,
    "c": 0.02043,
    "h": 233.9
  },
  "luminance": 0.03223
}

Semantic roles & 50–950 ramp

primary

#28343B

secondary

#6C5C53

accent

#896CBC

background

#F5F6F6

surface

#EAEBEC

border

#C6C6C7

text

#050607

muted

#797A7A

Preview Lab

Preview with #28343B

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

Preview Lab → · Contrast checker → · Palette generator →