#355BA8#355BA8

#355BA8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.131 H 262.7°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#355BA8
RGB	rgb(53, 91, 168)
HSL	hsl(220, 52%, 43%)
HSV	hsv(220, 68%, 66%)
CMYK	cmyk(68.5%, 45.8%, 0%, 34.1%)
CIE-LAB	lab(39.69, 12.69, -45.44)
CIE-LCH	lch(39.69, 47.18, 285.60°)
OKLab	oklab(48.43% -0.0166 -0.13)
OKLCH	oklch(48.43% 0.131 262.7)
XYZ	xyz(12.2747, 11.0650, 38.5271)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BA8 #A88235

analogous

#3594A8 #355BA8 #4835A8

triadic

#355BA8 #A8355B #5BA835

tetradic

#355BA8 #A83594 #A88235 #35A848

square

#355BA8 #A83594 #A88235 #35A848

split-complementary

#355BA8 #A84835 #94A835

monochromatic

#18294B #264279 #355BA8 #5279C8 #809DD7

Accessibility & contrast

On white

6.54

#355BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#355BA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BA8

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BA8	#FFFFFF	#000000	##FFFFFF
##355BA8	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3563AB

Deuteranopia (green-blind)

#1F59A6

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355ba8;
/* rgb */ color: rgb(53, 91, 168);
/* oklch */ color: oklch(48.4% 0.131 262.7);

Tailwind

colors: {
  custom: {
    50: '#7988c2',
    500: '#355ba8',
    950: '#000000',
  },
}

SCSS

$custom: #355ba8;
$custom-light: #7988c2;
$custom-dark: #000000;

JSON

{
  "hex": "#355ba8",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 168
  },
  "hsl": {
    "h": 220.174,
    "s": 52.036,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4843,
    "c": 0.13104,
    "h": 262.7
  },
  "luminance": 0.11066
}

Semantic roles & 50–950 ramp

primary

#355BA8

secondary

#C0A978

accent

#AC4CDB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355BA8

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

Preview Lab → · Contrast checker → · Palette generator →