#28819B#28819B

#28819B is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.3% C 0.090 H 221.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#28819B
RGB	rgb(40, 129, 155)
HSL	hsl(194, 59%, 38%)
HSV	hsv(194, 74%, 61%)
CMYK	cmyk(74.2%, 16.8%, 0%, 39.2%)
CIE-LAB	lab(50.12, -16.97, -21.43)
CIE-LCH	lch(50.12, 27.34, 231.63°)
OKLab	oklab(56.31% -0.0675 -0.0599)
OKLCH	oklch(56.31% 0.09 221.6)
XYZ	xyz(14.6393, 18.5165, 33.8065)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28819B #9B4228

analogous

#289B7B #28819B #28489B

triadic

#28819B #9B2881 #819B28

tetradic

#28819B #7B289B #9B4228 #489B28

square

#28819B #7B289B #9B4228 #489B28

split-complementary

#28819B #9B2848 #9B7B28

monochromatic

#0F303A #1B596A #28819B #35A9CB #66BED7

Accessibility & contrast

On white

4.46

#28819B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#28819B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28819B

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28819B	#FFFFFF	#000000	##000000
##28819B	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9C

Deuteranopia (green-blind)

#62729B

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #28819b;
/* rgb */ color: rgb(40, 129, 155);
/* oklch */ color: oklch(56.3% 0.090 221.6);

Tailwind

colors: {
  custom: {
    50: '#73a5b8',
    500: '#28819b',
    950: '#000000',
  },
}

SCSS

$custom: #28819b;
$custom-light: #73a5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28819b",
  "rgb": {
    "r": 40,
    "g": 129,
    "b": 155
  },
  "hsl": {
    "h": 193.565,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.56306,
    "c": 0.09029,
    "h": 221.6
  },
  "luminance": 0.18518
}

Semantic roles & 50–950 ramp

primary

#28819B

secondary

#BD7661

accent

#6946E2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #28819B

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

Preview Lab → · Contrast checker → · Palette generator →