#28519C#28519C

#28519C is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.8% C 0.131 H 261.3°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#28519C
RGB	rgb(40, 81, 156)
HSL	hsl(219, 59%, 38%)
HSV	hsv(219, 74%, 61%)
CMYK	cmyk(74.4%, 48.1%, 0%, 38.8%)
CIE-LAB	lab(35.47, 12.74, -45.08)
CIE-LCH	lch(35.47, 46.84, 285.78°)
OKLab	oklab(44.79% -0.0198 -0.1293)
OKLCH	oklch(44.79% 0.131 261.3)
XYZ	xyz(9.8161, 8.7352, 32.6148)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28519C #9C7328

analogous

#288B9C #28519C #39289C

triadic

#28519C #9C2851 #519C28

tetradic

#28519C #9C288B #9C7328 #289C39

square

#28519C #9C288B #9C7328 #289C39

split-complementary

#28519C #9C3928 #8B9C28

monochromatic

#0F1E3B #1C386B #28519C #366BCB #678FD8

Accessibility & contrast

On white

7.64

#28519C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#28519C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28519C

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28519C	#FFFFFF	#000000	##FFFFFF
##28519C	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29599F

Deuteranopia (green-blind)

#094E9A

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #28519c;
/* rgb */ color: rgb(40, 81, 156);
/* oklch */ color: oklch(44.8% 0.131 261.3);

Tailwind

colors: {
  custom: {
    50: '#7281ba',
    500: '#28519c',
    950: '#000000',
  },
}

SCSS

$custom: #28519c;
$custom-light: #7281ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28519c",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 156
  },
  "hsl": {
    "h": 218.793,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44787,
    "c": 0.13083,
    "h": 261.3
  },
  "luminance": 0.08736
}

Semantic roles & 50–950 ramp

primary

#28519C

secondary

#BE9D62

accent

#AB45E2

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #28519C

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

Preview Lab → · Contrast checker → · Palette generator →