#355DDF#355DDF

#355DDF is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.0% C 0.203 H 266.3°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#355DDF
RGB	rgb(53, 93, 223)
HSL	hsl(226, 73%, 54%)
HSV	hsv(226, 76%, 87%)
CMYK	cmyk(76.2%, 58.3%, 0%, 12.5%)
CIE-LAB	lab(44.11, 31.72, -70.21)
CIE-LCH	lch(44.11, 77.04, 294.31°)
OKLab	oklab(53% -0.0131 -0.2028)
OKLCH	oklch(53% 0.203 266.3)
XYZ	xyz(18.6972, 13.9112, 71.4975)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DDF #DFB735

analogous

#35B2DF #355DDF #6235DF

triadic

#355DDF #DF355D #5DDF35

tetradic

#355DDF #DF35B2 #DFB735 #35DF62

square

#355DDF #DF35B2 #DFB735 #35DF62

split-complementary

#355DDF #DF6235 #B2DF35

monochromatic

#152F85 #1D42B9 #355DDF #6A87E7 #9FB2F0

Accessibility & contrast

On white

5.55

#355DDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#355DDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DDF

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DDF	#FFFFFF	#000000	##FFFFFF
##355DDF	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E3

Deuteranopia (green-blind)

#0061DC

Tritanopia (blue-blind)

#007E95

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #355ddf;
/* rgb */ color: rgb(53, 93, 223);
/* oklch */ color: oklch(53.0% 0.203 266.3);

Tailwind

colors: {
  custom: {
    50: '#858aea',
    500: '#355ddf',
    950: '#000000',
  },
}

SCSS

$custom: #355ddf;
$custom-light: #858aea;
$custom-dark: #000000;

JSON

{
  "hex": "#355ddf",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 223
  },
  "hsl": {
    "h": 225.882,
    "s": 72.65,
    "l": 54.118
  },
  "oklch": {
    "l": 0.53003,
    "c": 0.20321,
    "h": 266.3
  },
  "luminance": 0.13913
}

Semantic roles & 50–950 ramp

primary

#355DDF

secondary

#DCCB94

accent

#C438EF

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #355DDF

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

Preview Lab → · Contrast checker → · Palette generator →