#28343F#28343F

#28343F is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.026 H 246.4°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#28343F
RGB	rgb(40, 52, 63)
HSL	hsl(209, 22%, 20%)
HSV	hsv(209, 37%, 25%)
CMYK	cmyk(36.5%, 17.5%, 0%, 75.3%)
CIE-LAB	lab(21.08, -1.81, -8.51)
CIE-LCH	lch(21.08, 8.70, 258.02°)
OKLab	oklab(31.89% -0.0102 -0.0234)
OKLCH	oklch(31.89% 0.026 246.4)
XYZ	xyz(3.0000, 3.2658, 5.1740)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28343F #3F3328

analogous

#283F3E #28343F #28283F

triadic

#28343F #3F2834 #343F28

tetradic

#28343F #3E283F #3F3328 #283F28

square

#28343F #3E283F #3F3328 #283F28

split-complementary

#28343F #3F2828 #3F3E28

monochromatic

#0C0F13 #10151A #28343F #405364 #58728A

Accessibility & contrast

On white

12.70

#28343F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#28343F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28343F

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28343F	#FFFFFF	#000000	##FFFFFF
##28343F	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303440

Deuteranopia (green-blind)

#2D323F

Tritanopia (blue-blind)

#213738

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #28343f;
/* rgb */ color: rgb(40, 52, 63);
/* oklch */ color: oklch(31.9% 0.026 246.4);

Tailwind

colors: {
  custom: {
    50: '#626b74',
    500: '#28343f',
    950: '#000000',
  },
}

SCSS

$custom: #28343f;
$custom-light: #626b74;
$custom-dark: #000000;

JSON

{
  "hex": "#28343f",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 208.696,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31886,
    "c": 0.02552,
    "h": 246.4
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#28343F

secondary

#716152

accent

#9269BF

background

#F5F6F7

surface

#EAEBED

border

#C6C6C8

text

#050608

muted

#797A7B

Preview Lab

Preview with #28343F

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

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