#353CB8#353CB8

#353CB8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.191 H 272.8°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX#353CB8
RGBrgb(53, 60, 184)
HSLhsl(237, 55%, 46%)
HSVhsv(237, 71%, 72%)
CMYKcmyk(71.2%, 67.4%, 0%, 27.8%)
CIE-LABlab(32.81, 38.59, -66.09)
CIE-LCHlch(32.81, 76.53, 300.28°)
OKLaboklab(43.66% 0.0095 -0.191)
OKLCHoklch(43.66% 0.191 272.8)
XYZxyz(11.7329, 7.4481, 46.1574)
Luminance0.0745 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#353CB8 #B8B135
analogous
#357EB8 #353CB8 #7035B8
triadic
#353CB8 #B8353C #3CB835
tetradic
#353CB8 #B8357E #B8B135 #35B870
square
#353CB8 #B8357E #B8B135 #35B870
split-complementary
#353CB8 #B87035 #7EB835
monochromatic
#1A1D59 #272D88 #353CB8 #5B61D0 #8A8FDD

Accessibility & contrast

On white

8.43
#353CB8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#353CB8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CB8
8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##353CB8#FFFFFF#000000##FFFFFF
##353CB81.008.432.498.43
#FFFFFF8.431.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053BC
Deuteranopia (green-blind)
#0047B6
Tritanopia (blue-blind)
#005D75
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #353cb8;
/* rgb */ color: rgb(53, 60, 184);
/* oklch */ color: oklch(43.7% 0.191 272.8);
Tailwind
colors: {
  custom: {
    50: '#7f72ce',
    500: '#353cb8',
    950: '#000000',
  },
}
SCSS
$custom: #353cb8;
$custom-light: #7f72ce;
$custom-dark: #000000;
JSON
{
  "hex": "#353cb8",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 184
  },
  "hsl": {
    "h": 236.794,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43658,
    "c": 0.19126,
    "h": 272.8
  },
  "luminance": 0.07449
}

Semantic roles & 50–950 ramp

primary
#353CB8
secondary
#C7C481
accent
#D749DF
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0814
muted
#7C7B82

Preview Lab

Preview with #353CB8

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

Preview Lab → · Contrast checker → · Palette generator →

#353CB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva