#28519A#28519A

#28519A is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.6% C 0.128 H 260.9°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#28519A
RGB	rgb(40, 81, 154)
HSL	hsl(218, 59%, 38%)
HSV	hsv(218, 74%, 60%)
CMYK	cmyk(74%, 47.4%, 0%, 39.6%)
CIE-LAB	lab(35.34, 11.96, -44.09)
CIE-LCH	lch(35.34, 45.68, 285.18°)
OKLab	oklab(44.64% -0.0202 -0.1264)
OKLCH	oklch(44.64% 0.128 260.9)
XYZ	xyz(9.6481, 8.6680, 31.7302)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28519A #9A7128

analogous

#288A9A #28519A #38289A

triadic

#28519A #9A2851 #519A28

tetradic

#28519A #9A288A #9A7128 #289A38

square

#28519A #9A288A #9A7128 #289A38

split-complementary

#28519A #9A3828 #8A9A28

monochromatic

#0F1E39 #1B3769 #28519A #356BCA #658ED7

Accessibility & contrast

On white

7.68

#28519A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#28519A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28519A

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28519A	#FFFFFF	#000000	##FFFFFF
##28519A	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A599D

Deuteranopia (green-blind)

#0F4E99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #28519a;
/* rgb */ color: rgb(40, 81, 154);
/* oklch */ color: oklch(44.6% 0.128 260.9);

Tailwind

colors: {
  custom: {
    50: '#7281b8',
    500: '#28519a',
    950: '#000000',
  },
}

SCSS

$custom: #28519a;
$custom-light: #7281b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28519a",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 154
  },
  "hsl": {
    "h": 218.421,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44643,
    "c": 0.128,
    "h": 260.9
  },
  "luminance": 0.08669
}

Semantic roles & 50–950 ramp

primary

#28519A

secondary

#BD9C61

accent

#AA46E2

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #28519A

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

Preview Lab → · Contrast checker → · Palette generator →