#28859B#28859B

#28859B is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.3% C 0.090 H 217.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#28859B
RGB	rgb(40, 133, 155)
HSL	hsl(191, 59%, 38%)
HSV	hsv(191, 74%, 61%)
CMYK	cmyk(74.2%, 14.2%, 0%, 39.2%)
CIE-LAB	lab(51.37, -19.14, -19.51)
CIE-LCH	lch(51.37, 27.33, 225.55°)
OKLab	oklab(57.31% -0.0717 -0.0544)
OKLCH	oklch(57.31% 0.09 217.2)
XYZ	xyz(15.1765, 19.5909, 33.9856)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28859B #9B3E28

analogous

#289B77 #28859B #284C9B

triadic

#28859B #9B2885 #859B28

tetradic

#28859B #77289B #9B3E28 #4C9B28

square

#28859B #77289B #9B3E28 #4C9B28

split-complementary

#28859B #9B284C #9B7728

monochromatic

#0F323A #1B5B6A #28859B #35AECB #66C2D7

Accessibility & contrast

On white

4.27

#28859B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#28859B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28859B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28859B	#FFFFFF	#000000	##000000
##28859B	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819C

Deuteranopia (green-blind)

#67759B

Tritanopia (blue-blind)

#008D8C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #28859b;
/* rgb */ color: rgb(40, 133, 155);
/* oklch */ color: oklch(57.3% 0.090 217.2);

Tailwind

colors: {
  custom: {
    50: '#73a8b8',
    500: '#28859b',
    950: '#000000',
  },
}

SCSS

$custom: #28859b;
$custom-light: #73a8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28859b",
  "rgb": {
    "r": 40,
    "g": 133,
    "b": 155
  },
  "hsl": {
    "h": 191.478,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.57314,
    "c": 0.08999,
    "h": 217.2
  },
  "luminance": 0.19593
}

Semantic roles & 50–950 ramp

primary

#28859B

secondary

#BD7361

accent

#6446E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #28859B

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

Preview Lab → · Contrast checker → · Palette generator →