#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
RGBrgb(40, 81, 157)
HSLhsl(219, 59%, 39%)
HSVhsv(219, 75%, 62%)
CMYKcmyk(74.5%, 48.4%, 0%, 38.4%)
CIE-LABlab(35.54, 13.12, -45.57)
CIE-LCHlch(35.54, 47.42, 286.06°)
OKLaboklab(44.86% -0.0197 -0.1308)
OKLCHoklch(44.86% 0.132 261.4)
XYZxyz(9.9011, 8.7692, 33.0626)
Luminance0.0877 (WCAG relative)
Temperaturecool
Familyblue

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
##28519D1.007.632.757.63
#FFFFFF7.631.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.631.0021.001.00

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 →

#28519D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva