#3530B9#3530B9

#3530B9 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.9% C 0.205 H 274.5°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX#3530B9
RGBrgb(53, 48, 185)
HSLhsl(242, 59%, 46%)
HSVhsv(242, 74%, 73%)
CMYKcmyk(71.4%, 74.1%, 0%, 27.5%)
CIE-LABlab(30.33, 45.99, -70.75)
CIE-LCHlch(30.33, 84.39, 303.03°)
OKLaboklab(41.91% 0.0163 -0.2046)
OKLCHoklch(41.91% 0.205 274.5)
XYZxyz(11.2792, 6.3725, 46.5251)
Luminance0.0637 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3530B9 #B4B930
analogous
#306FB9 #3530B9 #7930B9
triadic
#3530B9 #B93530 #30B935
tetradic
#3530B9 #B9306F #B4B930 #30B979
square
#3530B9 #B9306F #B4B930 #30B979
split-complementary
#3530B9 #B97930 #6FB930
monochromatic
#191758 #272388 #3530B9 #5854D3 #8884DF

Accessibility & contrast

On white

9.23
#3530B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#3530B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3530B9
9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3530B9#FFFFFF#000000##FFFFFF
##3530B91.009.232.279.23
#FFFFFF9.231.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004EBD
Deuteranopia (green-blind)
#0041B7
Tritanopia (blue-blind)
#005772
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #3530b9;
/* rgb */ color: rgb(53, 48, 185);
/* oklch */ color: oklch(41.9% 0.205 274.5);
Tailwind
colors: {
  custom: {
    50: '#806acf',
    500: '#3530b9',
    950: '#000000',
  },
}
SCSS
$custom: #3530b9;
$custom-light: #806acf;
$custom-dark: #000000;
JSON
{
  "hex": "#3530b9",
  "rgb": {
    "r": 53,
    "g": 48,
    "b": 185
  },
  "hsl": {
    "h": 242.19,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.41912,
    "c": 0.20526,
    "h": 274.5
  },
  "luminance": 0.06374
}

Semantic roles & 50–950 ramp

primary
#3530B9
secondary
#C6C97C
accent
#E246DC
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3530B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3530B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva