#28519D#28519D

#28519D is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.132 H 261.4°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#28519D
RGB	rgb(40, 81, 157)
HSL	hsl(219, 59%, 39%)
HSV	hsv(219, 75%, 62%)
CMYK	cmyk(74.5%, 48.4%, 0%, 38.4%)
CIE-LAB	lab(35.54, 13.12, -45.57)
CIE-LCH	lch(35.54, 47.42, 286.06°)
OKLab	oklab(44.86% -0.0197 -0.1308)
OKLCH	oklch(44.86% 0.132 261.4)
XYZ	xyz(9.9011, 8.7692, 33.0626)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28519D #9D7428

analogous

#288B9D #28519D #39289D

triadic

#28519D #9D2851 #519D28

tetradic

#28519D #9D288B #9D7428 #289D39

square

#28519D #9D288B #9D7428 #289D39

split-complementary

#28519D #9D3928 #8B9D28

monochromatic

#0F1F3B #1C386C #28519D #366BCC #678FD8

Accessibility & contrast

On white

7.63

#28519D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#28519D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28519D

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28519D	#FFFFFF	#000000	##FFFFFF
##28519D	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2859A0

Deuteranopia (green-blind)

#064F9B

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28519d;
/* rgb */ color: rgb(40, 81, 157);
/* oklch */ color: oklch(44.9% 0.132 261.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28519d",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 157
  },
  "hsl": {
    "h": 218.974,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44859,
    "c": 0.13224,
    "h": 261.4
  },
  "luminance": 0.0877
}

Semantic roles & 50–950 ramp

primary

#28519D

secondary

#BE9E62

accent

#AB45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28519D

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

Preview Lab → · Contrast checker → · Palette generator →