#28529D#28529D

#28529D is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.1% C 0.131 H 261.0°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#28529D
RGB	rgb(40, 82, 157)
HSL	hsl(218, 59%, 39%)
HSV	hsv(218, 75%, 62%)
CMYK	cmyk(74.5%, 47.8%, 0%, 38.4%)
CIE-LAB	lab(35.83, 12.46, -45.10)
CIE-LCH	lch(35.83, 46.79, 285.44°)
OKLab	oklab(45.08% -0.0206 -0.1294)
OKLCH	oklch(45.08% 0.131 261)
XYZ	xyz(9.9760, 8.9189, 33.0875)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28529D #9D7328

analogous

#288C9D #28529D #39289D

triadic

#28529D #9D2852 #529D28

tetradic

#28529D #9D288C #9D7328 #289D39

square

#28529D #9D288C #9D7328 #289D39

split-complementary

#28529D #9D3928 #8C9D28

monochromatic

#0F1F3B #1C396C #28529D #366CCC #6790D8

Accessibility & contrast

On white

7.54

#28529D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#28529D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28529D

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28529D	#FFFFFF	#000000	##FFFFFF
##28529D	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5AA0

Deuteranopia (green-blind)

#0C4F9B

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28529d;
/* rgb */ color: rgb(40, 82, 157);
/* oklch */ color: oklch(45.1% 0.131 261.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28529d",
  "rgb": {
    "r": 40,
    "g": 82,
    "b": 157
  },
  "hsl": {
    "h": 218.462,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45083,
    "c": 0.131,
    "h": 261
  },
  "luminance": 0.0892
}

Semantic roles & 50–950 ramp

primary

#28529D

secondary

#BE9D62

accent

#AA45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28529D

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

Preview Lab → · Contrast checker → · Palette generator →