#355AA4#355AA4

#355AA4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.127 H 262.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#355AA4
RGB	rgb(53, 90, 164)
HSL	hsl(220, 51%, 43%)
HSV	hsv(220, 68%, 64%)
CMYK	cmyk(67.7%, 45.1%, 0%, 35.7%)
CIE-LAB	lab(39.15, 11.86, -43.93)
CIE-LCH	lch(39.15, 45.50, 285.11°)
OKLab	oklab(47.94% -0.0163 -0.1255)
OKLCH	oklch(47.94% 0.127 262.6)
XYZ	xyz(11.8228, 10.7484, 36.5663)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AA4 #A47F35

analogous

#3591A4 #355AA4 #4835A4

triadic

#355AA4 #A4355A #5AA435

tetradic

#355AA4 #A43591 #A47F35 #35A448

square

#355AA4 #A43591 #A47F35 #35A448

split-complementary

#355AA4 #A44835 #91A435

monochromatic

#172747 #264176 #355AA4 #5077C6 #7E9BD5

Accessibility & contrast

On white

6.67

#355AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#355AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AA4

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AA4	#FFFFFF	#000000	##FFFFFF
##355AA4	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3662A7

Deuteranopia (green-blind)

#2357A2

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355aa4;
/* rgb */ color: rgb(53, 90, 164);
/* oklch */ color: oklch(47.9% 0.127 262.6);

Tailwind

colors: {
  custom: {
    50: '#7988bf',
    500: '#355aa4',
    950: '#000000',
  },
}

SCSS

$custom: #355aa4;
$custom-light: #7988bf;
$custom-dark: #000000;

JSON

{
  "hex": "#355aa4",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 164
  },
  "hsl": {
    "h": 220,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47937,
    "c": 0.1266,
    "h": 262.6
  },
  "luminance": 0.1075
}

Semantic roles & 50–950 ramp

primary

#355AA4

secondary

#BEA676

accent

#AB4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355AA4

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

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