#28439A#28439A

#28439A is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.146 H 266.8°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#28439A
RGB	rgb(40, 67, 154)
HSL	hsl(226, 59%, 38%)
HSV	hsv(226, 74%, 60%)
CMYK	cmyk(74%, 56.5%, 0%, 39.6%)
CIE-LAB	lab(31.34, 21.39, -50.54)
CIE-LCH	lch(31.34, 54.88, 292.94°)
OKLab	oklab(41.6% -0.0081 -0.1456)
OKLCH	oklch(41.6% 0.146 266.8)
XYZ	xyz(8.7129, 6.7976, 31.4185)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28439A #9A7F28

analogous

#287C9A #28439A #46289A

triadic

#28439A #9A2843 #439A28

tetradic

#28439A #9A287C #9A7F28 #289A46

square

#28439A #9A287C #9A7F28 #289A46

split-complementary

#28439A #9A4628 #7C9A28

monochromatic

#0F1939 #1B2E69 #28439A #3558CA #6580D7

Accessibility & contrast

On white

8.90

#28439A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#28439A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28439A

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28439A	#FFFFFF	#000000	##FFFFFF
##28439A	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9D

Deuteranopia (green-blind)

#004598

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #28439a;
/* rgb */ color: rgb(40, 67, 154);
/* oklch */ color: oklch(41.6% 0.146 266.8);

Tailwind

colors: {
  custom: {
    50: '#7276b8',
    500: '#28439a',
    950: '#000000',
  },
}

SCSS

$custom: #28439a;
$custom-light: #7276b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28439a",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 154
  },
  "hsl": {
    "h": 225.789,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.41603,
    "c": 0.14586,
    "h": 266.8
  },
  "luminance": 0.06799
}

Semantic roles & 50–950 ramp

primary

#28439A

secondary

#BDA761

accent

#BD46E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #28439A

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

Preview Lab → · Contrast checker → · Palette generator →