#28586B#28586B

#28586B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.5% C 0.061 H 226.6°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#28586B
RGB	rgb(40, 88, 107)
HSL	hsl(197, 46%, 29%)
HSV	hsv(197, 63%, 42%)
CMYK	cmyk(62.6%, 17.8%, 0%, 58%)
CIE-LAB	lab(34.99, -10.01, -15.79)
CIE-LCH	lch(34.99, 18.69, 237.63°)
OKLab	oklab(43.54% -0.0415 -0.044)
OKLCH	oklch(43.54% 0.061 226.6)
XYZ	xyz(7.0176, 8.4914, 15.1762)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28586B #6B3B28

analogous

#286B5D #28586B #28376B

triadic

#28586B #6B2858 #586B28

tetradic

#28586B #5D286B #6B3B28 #376B28

square

#28586B #5D286B #6B3B28 #376B28

split-complementary

#28586B #6B2837 #6B5D28

monochromatic

#081216 #17333E #28586B #397D98 #509EBE

Accessibility & contrast

On white

7.78

#28586B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#28586B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28586B

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28586B	#FFFFFF	#000000	##FFFFFF
##28586B	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E566C

Deuteranopia (green-blind)

#444F6B

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #28586b;
/* rgb */ color: rgb(40, 88, 107);
/* oklch */ color: oklch(43.5% 0.061 226.6);

Tailwind

colors: {
  custom: {
    50: '#698795',
    500: '#28586b',
    950: '#000000',
  },
}

SCSS

$custom: #28586b;
$custom-light: #698795;
$custom-dark: #000000;

JSON

{
  "hex": "#28586b",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 107
  },
  "hsl": {
    "h": 197.015,
    "s": 45.578,
    "l": 28.824
  },
  "oklch": {
    "l": 0.43542,
    "c": 0.06051,
    "h": 226.6
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary

#28586B

secondary

#9D6751

accent

#7853D5

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#070B0D

muted

#7A7C7E

Preview Lab

Preview with #28586B

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

Preview Lab → · Contrast checker → · Palette generator →