#28529E#28529E

#28529E is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.132 H 261.1°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#28529E
RGB	rgb(40, 82, 158)
HSL	hsl(219, 60%, 39%)
HSV	hsv(219, 75%, 62%)
CMYK	cmyk(74.7%, 48.1%, 0%, 38%)
CIE-LAB	lab(35.89, 12.85, -45.60)
CIE-LCH	lch(35.89, 47.37, 285.73°)
OKLab	oklab(45.16% -0.0204 -0.1308)
OKLCH	oklch(45.16% 0.132 261.1)
XYZ	xyz(10.0617, 8.9532, 33.5390)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28529E #9E7428

analogous

#288D9E #28529E #39289E

triadic

#28529E #9E2852 #529E28

tetradic

#28529E #9E288D #9E7428 #289E39

square

#28529E #9E288D #9E7428 #289E39

split-complementary

#28529E #9E3928 #8D9E28

monochromatic

#0F1F3C #1C396D #28529E #376CCC #6890D9

Accessibility & contrast

On white

7.52

#28529E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#28529E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28529E

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28529E	#FFFFFF	#000000	##FFFFFF
##28529E	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295AA1

Deuteranopia (green-blind)

#084F9C

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28529e;
/* rgb */ color: rgb(40, 82, 158);
/* oklch */ color: oklch(45.2% 0.132 261.1);

Tailwind

colors: {
  custom: {
    50: '#7282bb',
    500: '#28529e',
    950: '#000000',
  },
}

SCSS

$custom: #28529e;
$custom-light: #7282bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28529e",
  "rgb": {
    "r": 40,
    "g": 82,
    "b": 158
  },
  "hsl": {
    "h": 218.644,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45155,
    "c": 0.13241,
    "h": 261.1
  },
  "luminance": 0.08954
}

Semantic roles & 50–950 ramp

primary

#28529E

secondary

#BF9E63

accent

#AB45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28529E

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

Preview Lab → · Contrast checker → · Palette generator →