#3528B5#3528B5

#3528B5 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.4% C 0.208 H 275.8°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX#3528B5
RGBrgb(53, 40, 181)
HSLhsl(246, 64%, 43%)
HSVhsv(246, 78%, 71%)
CMYKcmyk(70.7%, 77.9%, 0%, 29%)
CIE-LABlab(28.41, 49.00, -71.56)
CIE-LCHlch(28.41, 86.73, 304.40°)
OKLaboklab(40.43% 0.0211 -0.2069)
OKLCHoklch(40.43% 0.208 275.8)
XYZxyz(10.5647, 5.6097, 44.2331)
Luminance0.0561 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3528B5 #A8B528
analogous
#2861B5 #3528B5 #7B28B5
triadic
#3528B5 #B53528 #28B535
tetradic
#3528B5 #B52861 #A8B528 #28B57B
square
#3528B5 #B52861 #A8B528 #28B57B
split-complementary
#3528B5 #B57B28 #61B528
monochromatic
#181251 #261D83 #3528B5 #5244D6 #8077E1

Accessibility & contrast

On white

9.90
#3528B5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.12
#3528B5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528B5
9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3528B5#FFFFFF#000000##FFFFFF
##3528B51.009.902.129.90
#FFFFFF9.901.0021.001.00
#0000002.1221.001.0021.00
##FFFFFF9.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0049B9
Deuteranopia (green-blind)
#003DB3
Tritanopia (blue-blind)
#00526E
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #3528b5;
/* rgb */ color: rgb(53, 40, 181);
/* oklch */ color: oklch(40.4% 0.208 275.8);
Tailwind
colors: {
  custom: {
    50: '#8065cd',
    500: '#3528b5',
    950: '#000000',
  },
}
SCSS
$custom: #3528b5;
$custom-light: #8065cd;
$custom-dark: #000000;
JSON
{
  "hex": "#3528b5",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 181
  },
  "hsl": {
    "h": 245.532,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40428,
    "c": 0.20796,
    "h": 275.8
  },
  "luminance": 0.05611
}

Semantic roles & 50–950 ramp

primary
#3528B5
secondary
#C0C870
accent
#E741D8
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0614
muted
#7D7A82

Preview Lab

Preview with #3528B5

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

Preview Lab → · Contrast checker → · Palette generator →

#3528B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva