#28529F#28529F

#28529F is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.134 H 261.3°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#28529F
RGB	rgb(40, 82, 159)
HSL	hsl(219, 60%, 39%)
HSV	hsv(219, 75%, 62%)
CMYK	cmyk(74.8%, 48.4%, 0%, 37.6%)
CIE-LAB	lab(35.96, 13.23, -46.09)
CIE-LCH	lch(35.96, 47.95, 286.02°)
OKLab	oklab(45.23% -0.0203 -0.1323)
OKLCH	oklch(45.23% 0.134 261.3)
XYZ	xyz(10.1481, 8.9878, 33.9942)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28529F #9F7528

analogous

#288E9F #28529F #3A289F

triadic

#28529F #9F2852 #529F28

tetradic

#28529F #9F288E #9F7528 #289F3A

square

#28529F #9F288E #9F7528 #289F3A

split-complementary

#28529F #9F3A28 #8E9F28

monochromatic

#0F203D #1C396E #28529F #376CCD #6890D9

Accessibility & contrast

On white

7.51

#28529F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#28529F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28529F

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28529F	#FFFFFF	#000000	##FFFFFF
##28529F	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285AA2

Deuteranopia (green-blind)

#054F9D

Tritanopia (blue-blind)

#006471

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #28529f;
/* rgb */ color: rgb(40, 82, 159);
/* oklch */ color: oklch(45.2% 0.134 261.3);

Tailwind

colors: {
  custom: {
    50: '#7382bc',
    500: '#28529f',
    950: '#000000',
  },
}

SCSS

$custom: #28529f;
$custom-light: #7382bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28529f",
  "rgb": {
    "r": 40,
    "g": 82,
    "b": 159
  },
  "hsl": {
    "h": 218.824,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45228,
    "c": 0.13382,
    "h": 261.3
  },
  "luminance": 0.08989
}

Semantic roles & 50–950 ramp

primary

#28529F

secondary

#BF9F64

accent

#AB45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28529F

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

Preview Lab → · Contrast checker → · Palette generator →