#3528B8#3528B8

#3528B8 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.8% C 0.211 H 275.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#3528B8
RGBrgb(53, 40, 184)
HSLhsl(245, 64%, 44%)
HSVhsv(245, 78%, 72%)
CMYKcmyk(71.2%, 78.3%, 0%, 27.8%)
CIE-LABlab(28.73, 49.93, -72.81)
CIE-LCHlch(28.73, 88.29, 304.44°)
OKLaboklab(40.75% 0.0203 -0.2105)
OKLCHoklch(40.75% 0.211 275.5)
XYZxyz(10.8759, 5.7341, 45.8717)
Luminance0.0573 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3528B8 #ABB828
analogous
#2863B8 #3528B8 #7D28B8
triadic
#3528B8 #B83528 #28B835
tetradic
#3528B8 #B82863 #ABB828 #28B87D
square
#3528B8 #B82863 #ABB828 #28B87D
split-complementary
#3528B8 #B87D28 #63B828
monochromatic
#181253 #271D86 #3528B8 #5346D7 #8279E2

Accessibility & contrast

On white

9.78
#3528B8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.15
#3528B8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3528B8
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3528B8#FFFFFF#000000##FFFFFF
##3528B81.009.782.159.78
#FFFFFF9.781.0021.001.00
#0000002.1521.001.0021.00
##FFFFFF9.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004ABC
Deuteranopia (green-blind)
#003DB5
Tritanopia (blue-blind)
#005470
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #3528b8;
/* rgb */ color: rgb(53, 40, 184);
/* oklch */ color: oklch(40.8% 0.211 275.5);
Tailwind
colors: {
  custom: {
    50: '#8165cf',
    500: '#3528b8',
    950: '#000000',
  },
}
SCSS
$custom: #3528b8;
$custom-light: #8165cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3528b8",
  "rgb": {
    "r": 53,
    "g": 40,
    "b": 184
  },
  "hsl": {
    "h": 245.417,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40752,
    "c": 0.21149,
    "h": 275.5
  },
  "luminance": 0.05735
}

Semantic roles & 50–950 ramp

primary
#3528B8
secondary
#C2CA72
accent
#E741D8
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0614
muted
#7D7A82

Preview Lab

Preview with #3528B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3528B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva