#353BB1#353BB1

#353BB1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.183 H 273.4°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX#353BB1
RGBrgb(53, 59, 177)
HSLhsl(237, 54%, 45%)
HSVhsv(237, 70%, 69%)
CMYKcmyk(70.1%, 66.7%, 0%, 30.6%)
CIE-LABlab(31.94, 36.77, -63.36)
CIE-LCHlch(31.94, 73.26, 300.13°)
OKLaboklab(42.83% 0.0108 -0.183)
OKLCHoklch(42.83% 0.183 273.4)
XYZxyz(10.9653, 7.0581, 42.3709)
Luminance0.0706 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#353BB1 #B1AB35
analogous
#3579B1 #353BB1 #6D35B1
triadic
#353BB1 #B1353B #3BB135
tetradic
#353BB1 #B13579 #B1AB35 #35B16D
square
#353BB1 #B13579 #B1AB35 #35B16D
split-complementary
#353BB1 #B16D35 #79B135
monochromatic
#191C53 #272B82 #353BB1 #575CCD #868ADB

Accessibility & contrast

On white

8.71
#353BB1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#353BB1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353BB1
8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##353BB1#FFFFFF#000000##FFFFFF
##353BB11.008.712.418.71
#FFFFFF8.711.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051B5
Deuteranopia (green-blind)
#0045AF
Tritanopia (blue-blind)
#005A71
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #353bb1;
/* rgb */ color: rgb(53, 59, 177);
/* oklch */ color: oklch(42.8% 0.183 273.4);
Tailwind
colors: {
  custom: {
    50: '#7d71c9',
    500: '#353bb1',
    950: '#000000',
  },
}
SCSS
$custom: #353bb1;
$custom-light: #7d71c9;
$custom-dark: #000000;
JSON
{
  "hex": "#353bb1",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 237.097,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42833,
    "c": 0.18337,
    "h": 273.4
  },
  "luminance": 0.07059
}

Semantic roles & 50–950 ramp

primary
#353BB1
secondary
#C4C17D
accent
#D64BDD
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0813
muted
#7C7B82

Preview Lab

Preview with #353BB1

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

Preview Lab → · Contrast checker → · Palette generator →

#353BB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva