#355BCD#355BCD

#355BCD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.182 H 266.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX#355BCD
RGBrgb(53, 91, 205)
HSLhsl(225, 60%, 51%)
HSVhsv(225, 74%, 80%)
CMYKcmyk(74.1%, 55.6%, 0%, 19.6%)
CIE-LABlab(42.22, 26.40, -62.97)
CIE-LCHlch(42.22, 68.28, 292.75°)
OKLaboklab(51.16% -0.0124 -0.1816)
OKLCHoklch(51.16% 0.182 266.1)
XYZxyz(16.2249, 12.6451, 59.3314)
Luminance0.1265 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355BCD #CDA735
analogous
#35A7CD #355BCD #5B35CD
triadic
#355BCD #CD355B #5BCD35
tetradic
#355BCD #CD35A7 #CDA735 #35CD5B
square
#355BCD #CD35A7 #CDA735 #35CD5B
split-complementary
#355BCD #CD5B35 #A7CD35
monochromatic
#1B2F6D #27459E #355BCD #6683D9 #97ABE5

Accessibility & contrast

On white

5.95
#355BCD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#355BCD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BCD
5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355BCD#FFFFFF#000000##FFFFFF
##355BCD1.005.953.535.95
#FFFFFF5.951.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006BD1
Deuteranopia (green-blind)
#005DCB
Tritanopia (blue-blind)
#00778B
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #355bcd;
/* rgb */ color: rgb(53, 91, 205);
/* oklch */ color: oklch(51.2% 0.182 266.1);
Tailwind
colors: {
  custom: {
    50: '#8188dd',
    500: '#355bcd',
    950: '#000000',
  },
}
SCSS
$custom: #355bcd;
$custom-light: #8188dd;
$custom-dark: #000000;
JSON
{
  "hex": "#355bcd",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 205
  },
  "hsl": {
    "h": 225,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.18198,
    "h": 266.1
  },
  "luminance": 0.12647
}

Semantic roles & 50–950 ramp

primary
#355BCD
secondary
#D1C08D
accent
#BC44E3
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83

Preview Lab

Preview with #355BCD

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

Preview Lab → · Contrast checker → · Palette generator →

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