#28858B#28858B

#28858B is a mid, moderate teal. Relative luminance 0.191; OKLCH L 56.7% C 0.084 H 201.3°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#28858B
RGB	rgb(40, 133, 139)
HSL	hsl(184, 55%, 35%)
HSV	hsv(184, 71%, 55%)
CMYK	cmyk(71.2%, 4.3%, 0%, 45.5%)
CIE-LAB	lab(50.79, -24.33, -11.07)
CIE-LCH	lch(50.79, 26.73, 204.46°)
OKLab	oklab(56.65% -0.0786 -0.0307)
OKLCH	oklch(56.65% 0.084 201.3)
XYZ	xyz(13.9207, 19.0886, 27.3719)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28858B #8B2E28

analogous

#288B5F #28858B #28548B

triadic

#28858B #8B2885 #858B28

tetradic

#28858B #5F288B #8B2E28 #548B28

square

#28858B #5F288B #8B2E28 #548B28

split-complementary

#28858B #8B2854 #8B5F28

monochromatic

#0D2A2C #1A585B #28858B #36B2BB #5DC9D0

Accessibility & contrast

On white

4.36

#28858B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#28858B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28858B

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28858B	#FFFFFF	#000000	##000000
##28858B	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7F8C

Deuteranopia (green-blind)

#6C748B

Tritanopia (blue-blind)

#008A87

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #28858b;
/* rgb */ color: rgb(40, 133, 139);
/* oklch */ color: oklch(56.7% 0.084 201.3);

Tailwind

colors: {
  custom: {
    50: '#71a9ac',
    500: '#28858b',
    950: '#000000',
  },
}

SCSS

$custom: #28858b;
$custom-light: #71a9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#28858b",
  "rgb": {
    "r": 40,
    "g": 133,
    "b": 139
  },
  "hsl": {
    "h": 183.636,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56653,
    "c": 0.08438,
    "h": 201.3
  },
  "luminance": 0.1909
}

Semantic roles & 50–950 ramp

primary

#28858B

secondary

#B65F59

accent

#5249DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #28858B

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

Preview Lab → · Contrast checker → · Palette generator →