#28588E#28588E

#28588E is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.5% C 0.103 H 253.3°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#28588E
RGB	rgb(40, 88, 142)
HSL	hsl(212, 56%, 36%)
HSV	hsv(212, 72%, 56%)
CMYK	cmyk(71.8%, 38%, 0%, 44.3%)
CIE-LAB	lab(36.71, 2.75, -34.63)
CIE-LCH	lch(36.71, 34.74, 274.54°)
OKLab	oklab(45.47% -0.0296 -0.0985)
OKLCH	oklch(45.47% 0.103 253.3)
XYZ	xyz(9.2455, 9.3826, 26.9097)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28588E #8E5E28

analogous

#288B8E #28588E #2B288E

triadic

#28588E #8E2858 #588E28

tetradic

#28588E #8E288B #8E5E28 #288E2B

square

#28588E #8E288B #8E5E28 #288E2B

split-complementary

#28588E #8E2B28 #8B8E28

monochromatic

#0D1D2F #1B3A5E #28588E #3576BE #5F95D2

Accessibility & contrast

On white

7.30

#28588E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#28588E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28588E

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28588E	#FFFFFF	#000000	##FFFFFF
##28588E	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405C90

Deuteranopia (green-blind)

#30528D

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28588e;
/* rgb */ color: rgb(40, 88, 142);
/* oklch */ color: oklch(45.5% 0.103 253.3);

Tailwind

colors: {
  custom: {
    50: '#6f86af',
    500: '#28588e',
    950: '#000000',
  },
}

SCSS

$custom: #28588e;
$custom-light: #6f86af;
$custom-dark: #000000;

JSON

{
  "hex": "#28588e",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 142
  },
  "hsl": {
    "h": 211.765,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45471,
    "c": 0.10286,
    "h": 253.3
  },
  "luminance": 0.09384
}

Semantic roles & 50–950 ramp

primary

#28588E

secondary

#B78C5B

accent

#9848DF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #28588E

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

Preview Lab → · Contrast checker → · Palette generator →