#28439C#28439C

#28439C is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.149 H 266.9°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#28439C
RGB	rgb(40, 67, 156)
HSL	hsl(226, 59%, 38%)
HSV	hsv(226, 74%, 61%)
CMYK	cmyk(74.4%, 57.1%, 0%, 38.8%)
CIE-LAB	lab(31.50, 22.16, -51.50)
CIE-LCH	lch(31.50, 56.06, 293.28°)
OKLab	oklab(41.77% -0.008 -0.1484)
OKLCH	oklch(41.77% 0.149 266.9)
XYZ	xyz(8.8809, 6.8648, 32.3030)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28439C #9C8128

analogous

#287D9C #28439C #47289C

triadic

#28439C #9C2843 #439C28

tetradic

#28439C #9C287D #9C8128 #289C47

square

#28439C #9C287D #9C8128 #289C47

split-complementary

#28439C #9C4728 #7D9C28

monochromatic

#0F193B #1C2E6B #28439C #3659CB #6781D8

Accessibility & contrast

On white

8.85

#28439C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#28439C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28439C

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28439C	#FFFFFF	#000000	##FFFFFF
##28439C	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509F

Deuteranopia (green-blind)

#00459A

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #28439c;
/* rgb */ color: rgb(40, 67, 156);
/* oklch */ color: oklch(41.8% 0.149 266.9);

Tailwind

colors: {
  custom: {
    50: '#7376ba',
    500: '#28439c',
    950: '#000000',
  },
}

SCSS

$custom: #28439c;
$custom-light: #7376ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28439c",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 156
  },
  "hsl": {
    "h": 226.034,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41769,
    "c": 0.14866,
    "h": 266.9
  },
  "luminance": 0.06866
}

Semantic roles & 50–950 ramp

primary

#28439C

secondary

#BEA862

accent

#BE45E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #28439C

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

Preview Lab → · Contrast checker → · Palette generator →