#355DB7#355DB7

#355DB7 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.150 H 263.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#355DB7
RGB	rgb(53, 93, 183)
HSL	hsl(222, 55%, 46%)
HSV	hsv(222, 71%, 72%)
CMYK	cmyk(71%, 49.2%, 0%, 28.2%)
CIE-LAB	lab(41.22, 16.96, -51.82)
CIE-LCH	lch(41.22, 54.52, 288.12°)
OKLab	oklab(49.91% -0.0161 -0.1487)
OKLCH	oklch(49.91% 0.15 263.8)
XYZ	xyz(13.9268, 12.0030, 46.3734)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DB7 #B78F35

analogous

#359EB7 #355DB7 #4E35B7

triadic

#355DB7 #B7355D #5DB735

tetradic

#355DB7 #B7359E #B78F35 #35B74E

square

#355DB7 #B7359E #B78F35 #35B74E

split-complementary

#355DB7 #B74E35 #9EB735

monochromatic

#1A2D58 #274588 #355DB7 #5A7ECF #89A3DD

Accessibility & contrast

On white

6.18

#355DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#355DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DB7

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DB7	#FFFFFF	#000000	##FFFFFF
##355DB7	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A68BA

Deuteranopia (green-blind)

#005CB5

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355db7;
/* rgb */ color: rgb(53, 93, 183);
/* oklch */ color: oklch(49.9% 0.150 263.8);

Tailwind

colors: {
  custom: {
    50: '#7c8acd',
    500: '#355db7',
    950: '#000000',
  },
}

SCSS

$custom: #355db7;
$custom-light: #7c8acd;
$custom-dark: #000000;

JSON

{
  "hex": "#355db7",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 183
  },
  "hsl": {
    "h": 221.538,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49913,
    "c": 0.14959,
    "h": 263.8
  },
  "luminance": 0.12004
}

Semantic roles & 50–950 ramp

primary

#355DB7

secondary

#C7B181

accent

#B149DE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #355DB7

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

Preview Lab → · Contrast checker → · Palette generator →