#28443B#28443B

#28443B is a dark, muted teal. Relative luminance 0.049; OKLCH L 36.1% C 0.038 H 171.8°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#28443B
RGB	rgb(40, 68, 59)
HSL	hsl(161, 26%, 21%)
HSV	hsv(161, 41%, 27%)
CMYK	cmyk(41.2%, 0%, 13.2%, 73.3%)
CIE-LAB	lab(26.45, -13.04, 2.12)
CIE-LCH	lch(26.45, 13.21, 170.78°)
OKLab	oklab(36.12% -0.0372 0.0054)
OKLCH	oklch(36.12% 0.038 171.8)
XYZ	xyz(3.7313, 4.9009, 4.8862)
Luminance	0.0490 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28443B #442831

analogous

#28442D #28443B #283F44

triadic

#28443B #3B2844 #443B28

tetradic

#28443B #2D2844 #442831 #3F4428

square

#28443B #2D2844 #442831 #3F4428

split-complementary

#28443B #44283F #442D28

monochromatic

#0B1311 #111D1A #28443B #3F6B5C #55917E

Accessibility & contrast

On white

10.60

#28443B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#28443B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28443B

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28443B	#FFFFFF	#000000	##FFFFFF
##28443B	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42413B

Deuteranopia (green-blind)

#3E3D3C

Tritanopia (blue-blind)

#204441

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #28443b;
/* rgb */ color: rgb(40, 68, 59);
/* oklch */ color: oklch(36.1% 0.038 171.8);

Tailwind

colors: {
  custom: {
    50: '#637870',
    500: '#28443b',
    950: '#000000',
  },
}

SCSS

$custom: #28443b;
$custom-light: #637870;
$custom-dark: #000000;

JSON

{
  "hex": "#28443b",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 59
  },
  "hsl": {
    "h": 160.714,
    "s": 25.926,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3612,
    "c": 0.03764,
    "h": 171.8
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary

#28443B

secondary

#76525D

accent

#6583C2

background

#F5F7F6

surface

#EAEDEC

border

#C6C8C7

text

#050907

muted

#797B7A

Preview Lab

Preview with #28443B

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

Preview Lab → · Contrast checker → · Palette generator →