#28423C#28423C

#28423C is a dark, muted teal. Relative luminance 0.047; OKLCH L 35.6% C 0.034 H 178.1°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#28423C
RGB	rgb(40, 66, 60)
HSL	hsl(166, 25%, 21%)
HSV	hsv(166, 39%, 26%)
CMYK	cmyk(39.4%, 0%, 9.1%, 74.1%)
CIE-LAB	lab(25.78, -11.59, 0.50)
CIE-LCH	lch(25.78, 11.60, 177.55°)
OKLab	oklab(35.59% -0.0337 0.0011)
OKLCH	oklch(35.59% 0.034 178.1)
XYZ	xyz(3.6386, 4.6736, 4.9844)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28423C #42282E

analogous

#28422F #28423C #283B42

triadic

#28423C #3C2842 #423C28

tetradic

#28423C #2F2842 #42282E #3B4228

square

#28423C #2F2842 #42282E #3B4228

split-complementary

#28423C #42283B #422F28

monochromatic

#0C1311 #111C19 #28423C #3F685F #568E81

Accessibility & contrast

On white

10.85

#28423C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#28423C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28423C

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28423C	#FFFFFF	#000000	##FFFFFF
##28423C	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403F3C

Deuteranopia (green-blind)

#3B3C3C

Tritanopia (blue-blind)

#204340

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28423c;
/* rgb */ color: rgb(40, 66, 60);
/* oklch */ color: oklch(35.6% 0.034 178.1);

Tailwind

colors: {
  custom: {
    50: '#637671',
    500: '#28423c',
    950: '#000000',
  },
}

SCSS

$custom: #28423c;
$custom-light: #637671;
$custom-dark: #000000;

JSON

{
  "hex": "#28423c",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 60
  },
  "hsl": {
    "h": 166.154,
    "s": 24.528,
    "l": 20.784
  },
  "oklch": {
    "l": 0.35594,
    "c": 0.03374,
    "h": 178.1
  },
  "luminance": 0.04674
}

Semantic roles & 50–950 ramp

primary

#28423C

secondary

#74525A

accent

#677CC1

background

#F5F7F6

surface

#EAEDEC

border

#C6C8C7

text

#050807

muted

#797B7A

Preview Lab

Preview with #28423C

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

Preview Lab → · Contrast checker → · Palette generator →