#355DB8#355DB8

#355DB8 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.151 H 263.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#355DB8
RGB	rgb(53, 93, 184)
HSL	hsl(222, 55%, 46%)
HSV	hsv(222, 71%, 72%)
CMYK	cmyk(71.2%, 49.5%, 0%, 27.8%)
CIE-LAB	lab(41.29, 17.33, -52.30)
CIE-LCH	lch(41.29, 55.09, 288.33°)
OKLab	oklab(49.99% -0.016 -0.1501)
OKLCH	oklch(49.99% 0.151 263.9)
XYZ	xyz(14.0312, 12.0448, 46.9235)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DB8 #B89035

analogous

#359FB8 #355DB8 #4F35B8

triadic

#355DB8 #B8355D #5DB835

tetradic

#355DB8 #B8359F #B89035 #35B84F

square

#355DB8 #B8359F #B89035 #35B84F

split-complementary

#355DB8 #B84F35 #9FB835

monochromatic

#1A2D59 #274588 #355DB8 #5B7ED0 #8AA3DD

Accessibility & contrast

On white

6.16

#355DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#355DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DB8

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DB8	#FFFFFF	#000000	##FFFFFF
##355DB8	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2968BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355db8;
/* rgb */ color: rgb(53, 93, 184);
/* oklch */ color: oklch(50.0% 0.151 263.9);

Tailwind

colors: {
  custom: {
    50: '#7d8ace',
    500: '#355db8',
    950: '#000000',
  },
}

SCSS

$custom: #355db8;
$custom-light: #7d8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#355db8",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 184
  },
  "hsl": {
    "h": 221.679,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49985,
    "c": 0.15097,
    "h": 263.9
  },
  "luminance": 0.12046
}

Semantic roles & 50–950 ramp

primary

#355DB8

secondary

#C7B281

accent

#B149DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355DB8

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

Preview Lab → · Contrast checker → · Palette generator →