#28519E#28519E

#28519E is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.134 H 261.6°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#28519E
RGB	rgb(40, 81, 158)
HSL	hsl(219, 60%, 39%)
HSV	hsv(219, 75%, 62%)
CMYK	cmyk(74.7%, 48.7%, 0%, 38%)
CIE-LAB	lab(35.60, 13.51, -46.07)
CIE-LCH	lch(35.60, 48.01, 286.35°)
OKLab	oklab(44.93% -0.0195 -0.1322)
OKLCH	oklch(44.93% 0.134 261.6)
XYZ	xyz(9.9868, 8.8035, 33.5140)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28519E #9E7528

analogous

#288C9E #28519E #3A289E

triadic

#28519E #9E2851 #519E28

tetradic

#28519E #9E288C #9E7528 #289E3A

square

#28519E #9E288C #9E7528 #289E3A

split-complementary

#28519E #9E3A28 #8C9E28

monochromatic

#0F1F3C #1C386D #28519E #376BCC #688FD9

Accessibility & contrast

On white

7.61

#28519E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#28519E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28519E

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28519E	#FFFFFF	#000000	##FFFFFF
##28519E	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2659A1

Deuteranopia (green-blind)

#024F9C

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28519e;
/* rgb */ color: rgb(40, 81, 158);
/* oklch */ color: oklch(44.9% 0.134 261.6);

Tailwind

colors: {
  custom: {
    50: '#7281bb',
    500: '#28519e',
    950: '#000000',
  },
}

SCSS

$custom: #28519e;
$custom-light: #7281bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28519e",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 158
  },
  "hsl": {
    "h": 219.153,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44932,
    "c": 0.13366,
    "h": 261.6
  },
  "luminance": 0.08805
}

Semantic roles & 50–950 ramp

primary

#28519E

secondary

#BF9F63

accent

#AC45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28519E

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

Preview Lab → · Contrast checker → · Palette generator →