#28529C#28529C

#28529C is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.0% C 0.130 H 260.8°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#28529C
RGB	rgb(40, 82, 156)
HSL	hsl(218, 59%, 38%)
HSV	hsv(218, 74%, 61%)
CMYK	cmyk(74.4%, 47.4%, 0%, 38.8%)
CIE-LAB	lab(35.76, 12.07, -44.61)
CIE-LCH	lch(35.76, 46.21, 285.14°)
OKLab	oklab(45.01% -0.0207 -0.1279)
OKLCH	oklch(45.01% 0.13 260.8)
XYZ	xyz(9.8910, 8.8849, 32.6397)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28529C #9C7228

analogous

#288C9C #28529C #38289C

triadic

#28529C #9C2852 #529C28

tetradic

#28529C #9C288C #9C7228 #289C38

square

#28529C #9C288C #9C7228 #289C38

split-complementary

#28529C #9C3828 #8C9C28

monochromatic

#0F1F3B #1C386B #28529C #366CCB #6790D8

Accessibility & contrast

On white

7.56

#28529C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#28529C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28529C

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28529C	#FFFFFF	#000000	##FFFFFF
##28529C	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5A9F

Deuteranopia (green-blind)

#0F4F9B

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28529c;
/* rgb */ color: rgb(40, 82, 156);
/* oklch */ color: oklch(45.0% 0.130 260.8);

Tailwind

colors: {
  custom: {
    50: '#7282ba',
    500: '#28529c',
    950: '#000000',
  },
}

SCSS

$custom: #28529c;
$custom-light: #7282ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28529c",
  "rgb": {
    "r": 40,
    "g": 82,
    "b": 156
  },
  "hsl": {
    "h": 218.276,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45011,
    "c": 0.12959,
    "h": 260.8
  },
  "luminance": 0.08886
}

Semantic roles & 50–950 ramp

primary

#28529C

secondary

#BE9D62

accent

#AA45E2

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #28529C

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

Preview Lab → · Contrast checker → · Palette generator →