#28879B#28879B

#28879B is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.8% C 0.090 H 215.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#28879B
RGB	rgb(40, 135, 155)
HSL	hsl(190, 59%, 38%)
HSV	hsv(190, 74%, 61%)
CMYK	cmyk(74.2%, 12.9%, 0%, 39.2%)
CIE-LAB	lab(52.00, -20.21, -18.55)
CIE-LCH	lch(52.00, 27.43, 222.55°)
OKLab	oklab(57.82% -0.0737 -0.0517)
OKLCH	oklch(57.82% 0.09 215)
XYZ	xyz(15.4529, 20.1438, 34.0777)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28879B #9B3C28

analogous

#289B75 #28879B #284D9B

triadic

#28879B #9B2887 #879B28

tetradic

#28879B #75289B #9B3C28 #4D9B28

square

#28879B #75289B #9B3C28 #4D9B28

split-complementary

#28879B #9B284D #9B7528

monochromatic

#0F323A #1B5D6A #28879B #35B1CB #66C4D7

Accessibility & contrast

On white

4.18

#28879B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#28879B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28879B

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28879B	#FFFFFF	#000000	##000000
##28879B	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79839C

Deuteranopia (green-blind)

#69779B

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #28879b;
/* rgb */ color: rgb(40, 135, 155);
/* oklch */ color: oklch(57.8% 0.090 215.0);

Tailwind

colors: {
  custom: {
    50: '#74aab8',
    500: '#28879b',
    950: '#000000',
  },
}

SCSS

$custom: #28879b;
$custom-light: #74aab8;
$custom-dark: #000000;

JSON

{
  "hex": "#28879b",
  "rgb": {
    "r": 40,
    "g": 135,
    "b": 155
  },
  "hsl": {
    "h": 190.435,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.57819,
    "c": 0.09006,
    "h": 215
  },
  "luminance": 0.20146
}

Semantic roles & 50–950 ramp

primary

#28879B

secondary

#BD7161

accent

#6146E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #28879B

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

Preview Lab → · Contrast checker → · Palette generator →