#28588A#28588A

#28588A is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.2% C 0.097 H 251.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#28588A
RGB	rgb(40, 88, 138)
HSL	hsl(211, 55%, 35%)
HSV	hsv(211, 71%, 54%)
CMYK	cmyk(71%, 36.2%, 0%, 45.9%)
CIE-LAB	lab(36.49, 1.23, -32.55)
CIE-LCH	lch(36.49, 32.57, 272.17°)
OKLab	oklab(45.23% -0.0307 -0.0924)
OKLCH	oklch(45.23% 0.097 251.6)
XYZ	xyz(8.9505, 9.2646, 25.3564)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28588A #8A5A28

analogous

#28898A #28588A #29288A

triadic

#28588A #8A2858 #588A28

tetradic

#28588A #8A2889 #8A5A28 #288A29

square

#28588A #8A2889 #8A5A28 #288A29

split-complementary

#28588A #8A2928 #898A28

monochromatic

#0C1B2B #1A3A5B #28588A #3676B9 #5D95D0

Accessibility & contrast

On white

7.36

#28588A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#28588A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28588A

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28588A	#FFFFFF	#000000	##FFFFFF
##28588A	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425B8C

Deuteranopia (green-blind)

#345289

Tritanopia (blue-blind)

#00646A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28588a;
/* rgb */ color: rgb(40, 88, 138);
/* oklch */ color: oklch(45.2% 0.097 251.6);

Tailwind

colors: {
  custom: {
    50: '#6e86ac',
    500: '#28588a',
    950: '#000000',
  },
}

SCSS

$custom: #28588a;
$custom-light: #6e86ac;
$custom-dark: #000000;

JSON

{
  "hex": "#28588a",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 138
  },
  "hsl": {
    "h": 210.612,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.45225,
    "c": 0.09739,
    "h": 251.6
  },
  "luminance": 0.09266
}

Semantic roles & 50–950 ramp

primary

#28588A

secondary

#B58859

accent

#9549DE

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #28588A

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

Preview Lab → · Contrast checker → · Palette generator →