#28529A#28529A

#28529A is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.127 H 260.4°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#28529A
RGB	rgb(40, 82, 154)
HSL	hsl(218, 59%, 38%)
HSV	hsv(218, 74%, 60%)
CMYK	cmyk(74%, 46.8%, 0%, 39.6%)
CIE-LAB	lab(35.63, 11.30, -43.61)
CIE-LCH	lch(35.63, 45.05, 284.52°)
OKLab	oklab(44.87% -0.0211 -0.125)
OKLCH	oklch(44.87% 0.127 260.4)
XYZ	xyz(9.7230, 8.8177, 31.7552)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28529A #9A7028

analogous

#288B9A #28529A #37289A

triadic

#28529A #9A2852 #529A28

tetradic

#28529A #9A288B #9A7028 #289A37

square

#28529A #9A288B #9A7028 #289A37

split-complementary

#28529A #9A3728 #8B9A28

monochromatic

#0F1E39 #1B3869 #28529A #356CCA #658FD7

Accessibility & contrast

On white

7.60

#28529A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#28529A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28529A

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28529A	#FFFFFF	#000000	##FFFFFF
##28529A	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D599D

Deuteranopia (green-blind)

#134F99

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28529a;
/* rgb */ color: rgb(40, 82, 154);
/* oklch */ color: oklch(44.9% 0.127 260.4);

Tailwind

colors: {
  custom: {
    50: '#7282b8',
    500: '#28529a',
    950: '#000000',
  },
}

SCSS

$custom: #28529a;
$custom-light: #7282b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28529a",
  "rgb": {
    "r": 40,
    "g": 82,
    "b": 154
  },
  "hsl": {
    "h": 217.895,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44869,
    "c": 0.12676,
    "h": 260.4
  },
  "luminance": 0.08819
}

Semantic roles & 50–950 ramp

primary

#28529A

secondary

#BD9B61

accent

#A846E2

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #28529A

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

Preview Lab → · Contrast checker → · Palette generator →