#355AAA#355AAA

#355AAA is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.135 H 263.5°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#355AAA
RGBrgb(53, 90, 170)
HSLhsl(221, 52%, 44%)
HSVhsv(221, 69%, 67%)
CMYKcmyk(68.8%, 47.1%, 0%, 33.3%)
CIE-LABlab(39.53, 14.08, -46.88)
CIE-LCHlch(39.53, 48.95, 286.72°)
OKLaboklab(48.35% -0.0153 -0.1342)
OKLCHoklch(48.35% 0.135 263.5)
XYZxyz(12.3775, 10.9703, 39.4876)
Luminance0.1097 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355AAA #AA8535
analogous
#3594AA #355AAA #4B35AA
triadic
#355AAA #AA355A #5AAA35
tetradic
#355AAA #AA3594 #AA8535 #35AA4B
square
#355AAA #AA3594 #AA8535 #35AA4B
split-complementary
#355AAA #AA4B35 #94AA35
monochromatic
#18294D #26417B #355AAA #5378C9 #829DD8

Accessibility & contrast

On white

6.57
#355AAA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.19
#355AAA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AAA
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355AAA#FFFFFF#000000##FFFFFF
##355AAA1.006.573.196.57
#FFFFFF6.571.0021.001.00
#0000003.1921.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3163AD
Deuteranopia (green-blind)
#1958A8
Tritanopia (blue-blind)
#006D7A
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #355aaa;
/* rgb */ color: rgb(53, 90, 170);
/* oklch */ color: oklch(48.3% 0.135 263.5);
Tailwind
colors: {
  custom: {
    50: '#7a88c4',
    500: '#355aaa',
    950: '#000000',
  },
}
SCSS
$custom: #355aaa;
$custom-light: #7a88c4;
$custom-dark: #000000;
JSON
{
  "hex": "#355aaa",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 221.026,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48348,
    "c": 0.13512,
    "h": 263.5
  },
  "luminance": 0.10971
}

Semantic roles & 50–950 ramp

primary
#355AAA
secondary
#C1AB7A
accent
#AE4CDC
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#0A0B13
muted
#7C7C82

Preview Lab

Preview with #355AAA

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

Preview Lab → · Contrast checker → · Palette generator →

#355AAA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva