#355D9C#355D9C

#355D9C is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.1% C 0.112 H 259.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#355D9C
RGBrgb(53, 93, 156)
HSLhsl(217, 49%, 41%)
HSVhsv(217, 66%, 61%)
CMYKcmyk(66%, 40.4%, 0%, 38.8%)
CIE-LABlab(39.55, 6.98, -38.51)
CIE-LCHlch(39.55, 39.14, 280.28°)
OKLaboklab(48.09% -0.021 -0.1096)
OKLCHoklch(48.09% 0.112 259.1)
XYZxyz(11.3812, 10.9848, 32.9665)
Luminance0.1099 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355D9C #9C7435
analogous
#35909C #355D9C #40359C
triadic
#355D9C #9C355D #5D9C35
tetradic
#355D9C #9C3590 #9C7435 #359C40
square
#355D9C #9C3590 #9C7435 #359C40
split-complementary
#355D9C #9C4035 #909C35
monochromatic
#162741 #25426E #355D9C #4C7AC2 #7A9CD2

Accessibility & contrast

On white

6.57
#355D9C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#355D9C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355D9C
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355D9C#FFFFFF#000000##FFFFFF
##355D9C1.006.573.206.57
#FFFFFF6.571.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41629F
Deuteranopia (green-blind)
#32599B
Tritanopia (blue-blind)
#006B75
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #355d9c;
/* rgb */ color: rgb(53, 93, 156);
/* oklch */ color: oklch(48.1% 0.112 259.1);
Tailwind
colors: {
  custom: {
    50: '#778ab9',
    500: '#355d9c',
    950: '#000000',
  },
}
SCSS
$custom: #355d9c;
$custom-light: #778ab9;
$custom-dark: #000000;
JSON
{
  "hex": "#355d9c",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 156
  },
  "hsl": {
    "h": 216.699,
    "s": 49.282,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48093,
    "c": 0.11162,
    "h": 259.1
  },
  "luminance": 0.10986
}

Semantic roles & 50–950 ramp

primary
#355D9C
secondary
#BA9E72
accent
#A34FD9
background
#F7F8FB
surface
#EEF0F6
border
#C9CBD0
text
#090B11
muted
#7B7C80

Preview Lab

Preview with #355D9C

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

Preview Lab → · Contrast checker → · Palette generator →

#355D9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva