#355BA9#355BA9

#355BA9 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.132 H 262.9°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#355BA9
RGB	rgb(53, 91, 169)
HSL	hsl(220, 52%, 44%)
HSV	hsv(220, 69%, 66%)
CMYK	cmyk(68.6%, 46.2%, 0%, 33.7%)
CIE-LAB	lab(39.75, 13.06, -45.93)
CIE-LCH	lch(39.75, 47.76, 285.87°)
OKLab	oklab(48.5% -0.0164 -0.1314)
OKLCH	oklch(48.5% 0.132 262.9)
XYZ	xyz(12.3682, 11.1024, 39.0196)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BA9 #A98335

analogous

#3595A9 #355BA9 #4935A9

triadic

#355BA9 #A9355B #5BA935

tetradic

#355BA9 #A93595 #A98335 #35A949

square

#355BA9 #A93595 #A98335 #35A949

split-complementary

#355BA9 #A94935 #95A935

monochromatic

#18294C #26427A #355BA9 #5279C9 #819DD7

Accessibility & contrast

On white

6.52

#355BA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#355BA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BA9

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BA9	#FFFFFF	#000000	##FFFFFF
##355BA9	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3463AC

Deuteranopia (green-blind)

#1E59A7

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355ba9;
/* rgb */ color: rgb(53, 91, 169);
/* oklch */ color: oklch(48.5% 0.132 262.9);

Tailwind

colors: {
  custom: {
    50: '#7a88c3',
    500: '#355ba9',
    950: '#000000',
  },
}

SCSS

$custom: #355ba9;
$custom-light: #7a88c3;
$custom-dark: #000000;

JSON

{
  "hex": "#355ba9",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 169
  },
  "hsl": {
    "h": 220.345,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48498,
    "c": 0.13246,
    "h": 262.9
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary

#355BA9

secondary

#C1A979

accent

#AD4CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355BA9

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

Preview Lab → · Contrast checker → · Palette generator →