#28489A#28489A

#28489A is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.7% C 0.139 H 265.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#28489A
RGB	rgb(40, 72, 154)
HSL	hsl(223, 59%, 38%)
HSV	hsv(223, 74%, 60%)
CMYK	cmyk(74%, 53.2%, 0%, 39.6%)
CIE-LAB	lab(32.74, 18.00, -48.27)
CIE-LCH	lch(32.74, 51.52, 290.45°)
OKLab	oklab(42.66% -0.0123 -0.1389)
OKLCH	oklch(42.66% 0.139 265)
XYZ	xyz(9.0231, 7.4180, 31.5219)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28489A #9A7A28

analogous

#28819A #28489A #41289A

triadic

#28489A #9A2848 #489A28

tetradic

#28489A #9A2881 #9A7A28 #289A41

square

#28489A #9A2881 #9A7A28 #289A41

split-complementary

#28489A #9A4128 #819A28

monochromatic

#0F1B39 #1B3169 #28489A #355FCA #6585D7

Accessibility & contrast

On white

8.45

#28489A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#28489A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28489A

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28489A	#FFFFFF	#000000	##FFFFFF
##28489A	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10539D

Deuteranopia (green-blind)

#004898

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28489a;
/* rgb */ color: rgb(40, 72, 154);
/* oklch */ color: oklch(42.7% 0.139 265.0);

Tailwind

colors: {
  custom: {
    50: '#727ab8',
    500: '#28489a',
    950: '#000000',
  },
}

SCSS

$custom: #28489a;
$custom-light: #727ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#28489a",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 223.158,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42659,
    "c": 0.13942,
    "h": 265
  },
  "luminance": 0.07419
}

Semantic roles & 50–950 ramp

primary

#28489A

secondary

#BDA361

accent

#B646E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #28489A

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

Preview Lab → · Contrast checker → · Palette generator →