#28575B#28575B

#28575B is a dark, muted teal. Relative luminance 0.080; OKLCH L 42.6% C 0.051 H 202.8°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#28575B
RGB	rgb(40, 87, 91)
HSL	hsl(185, 39%, 26%)
HSV	hsv(185, 56%, 36%)
CMYK	cmyk(56%, 4.4%, 0%, 64.3%)
CIE-LAB	lab(34.03, -14.69, -7.22)
CIE-LCH	lch(34.03, 16.37, 206.20°)
OKLab	oklab(42.57% -0.0475 -0.0199)
OKLCH	oklch(42.57% 0.051 202.8)
XYZ	xyz(6.1708, 8.0223, 11.1188)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28575B #5B2C28

analogous

#285B45 #28575B #283D5B

triadic

#28575B #5B2857 #575B28

tetradic

#28575B #45285B #5B2C28 #3D5B28

square

#28575B #45285B #5B2C28 #3D5B28

split-complementary

#28575B #5B283D #5B4528

monochromatic

#091415 #152E30 #28575B #3B8086 #4DA8B0

Accessibility & contrast

On white

8.06

#28575B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#28575B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28575B

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28575B	#FFFFFF	#000000	##FFFFFF
##28575B	1.00	8.06	2.60	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51545B

Deuteranopia (green-blind)

#494D5B

Tritanopia (blue-blind)

#025A58

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #28575b;
/* rgb */ color: rgb(40, 87, 91);
/* oklch */ color: oklch(42.6% 0.051 202.8);

Tailwind

colors: {
  custom: {
    50: '#678689',
    500: '#28575b',
    950: '#000000',
  },
}

SCSS

$custom: #28575b;
$custom-light: #678689;
$custom-dark: #000000;

JSON

{
  "hex": "#28575b",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 91
  },
  "hsl": {
    "h": 184.706,
    "s": 38.931,
    "l": 25.686
  },
  "oklch": {
    "l": 0.42569,
    "c": 0.05148,
    "h": 202.8
  },
  "luminance": 0.08023
}

Semantic roles & 50–950 ramp

primary

#28575B

secondary

#8E5651

accent

#6259CF

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #28575B

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

Preview Lab → · Contrast checker → · Palette generator →