#28789B#28789B

#28789B is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.1% C 0.093 H 231.2°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#28789B
RGB	rgb(40, 120, 155)
HSL	hsl(198, 59%, 38%)
HSV	hsv(198, 74%, 61%)
CMYK	cmyk(74.2%, 22.6%, 0%, 39.2%)
CIE-LAB	lab(47.30, -11.93, -25.78)
CIE-LCH	lch(47.30, 28.41, 245.17°)
OKLab	oklab(54.05% -0.0583 -0.0724)
OKLCH	oklch(54.05% 0.093 231.2)
XYZ	xyz(13.5056, 16.2491, 33.4286)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28789B #9B4B28

analogous

#289B84 #28789B #283E9B

triadic

#28789B #9B2878 #789B28

tetradic

#28789B #84289B #9B4B28 #3E9B28

square

#28789B #84289B #9B4B28 #3E9B28

split-complementary

#28789B #9B283E #9B8428

monochromatic

#0F2D3A #1B526A #28789B #359DCB #66B5D7

Accessibility & contrast

On white

4.94

#28789B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#28789B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28789B

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28789B	#FFFFFF	#000000	##FFFFFF
##28789B	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66769D

Deuteranopia (green-blind)

#576B9A

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #28789b;
/* rgb */ color: rgb(40, 120, 155);
/* oklch */ color: oklch(54.1% 0.093 231.2);

Tailwind

colors: {
  custom: {
    50: '#729fb8',
    500: '#28789b',
    950: '#000000',
  },
}

SCSS

$custom: #28789b;
$custom-light: #729fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#28789b",
  "rgb": {
    "r": 40,
    "g": 120,
    "b": 155
  },
  "hsl": {
    "h": 198.261,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54051,
    "c": 0.09297,
    "h": 231.2
  },
  "luminance": 0.16251
}

Semantic roles & 50–950 ramp

primary

#28789B

secondary

#BD7D61

accent

#7546E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #28789B

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

Preview Lab → · Contrast checker → · Palette generator →