#28519F#28519F

#28519F is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.135 H 261.8°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#28519F
RGB	rgb(40, 81, 159)
HSL	hsl(219, 60%, 39%)
HSV	hsv(219, 75%, 62%)
CMYK	cmyk(74.8%, 49.1%, 0%, 37.6%)
CIE-LAB	lab(35.67, 13.90, -46.56)
CIE-LCH	lch(35.67, 48.59, 286.62°)
OKLab	oklab(45.01% -0.0194 -0.1337)
OKLCH	oklch(45.01% 0.135 261.8)
XYZ	xyz(10.0733, 8.8381, 33.9692)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28519F #9F7628

analogous

#288D9F #28519F #3B289F

triadic

#28519F #9F2851 #519F28

tetradic

#28519F #9F288D #9F7628 #289F3B

square

#28519F #9F288D #9F7628 #289F3B

split-complementary

#28519F #9F3B28 #8D9F28

monochromatic

#0F1F3D #1C386E #28519F #376BCD #688FD9

Accessibility & contrast

On white

7.59

#28519F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#28519F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28519F

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28519F	#FFFFFF	#000000	##FFFFFF
##28519F	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255AA2

Deuteranopia (green-blind)

#004F9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28519f;
/* rgb */ color: rgb(40, 81, 159);
/* oklch */ color: oklch(45.0% 0.135 261.8);

Tailwind

colors: {
  custom: {
    50: '#7381bc',
    500: '#28519f',
    950: '#000000',
  },
}

SCSS

$custom: #28519f;
$custom-light: #7381bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28519f",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 159
  },
  "hsl": {
    "h": 219.328,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45006,
    "c": 0.13507,
    "h": 261.8
  },
  "luminance": 0.08839
}

Semantic roles & 50–950 ramp

primary

#28519F

secondary

#BFA064

accent

#AC45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28519F

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

Preview Lab → · Contrast checker → · Palette generator →