#355CA9#355CA9

#355CA9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.131 H 262.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#355CA9
RGB	rgb(53, 92, 169)
HSL	hsl(220, 52%, 44%)
HSV	hsv(220, 69%, 66%)
CMYK	cmyk(68.6%, 45.6%, 0%, 33.7%)
CIE-LAB	lab(40.04, 12.41, -45.48)
CIE-LCH	lch(40.04, 47.14, 285.26°)
OKLab	oklab(48.72% -0.0174 -0.1301)
OKLCH	oklch(48.72% 0.131 262.4)
XYZ	xyz(12.4542, 11.2745, 39.0483)
Luminance	0.1128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CA9 #A98235

analogous

#3596A9 #355CA9 #4835A9

triadic

#355CA9 #A9355C #5CA935

tetradic

#355CA9 #A93596 #A98235 #35A948

square

#355CA9 #A93596 #A98235 #35A948

split-complementary

#355CA9 #A94835 #96A935

monochromatic

#18294C #26437A #355CA9 #527AC9 #819ED7

Accessibility & contrast

On white

6.45

#355CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#355CA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CA9

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CA9	#FFFFFF	#000000	##FFFFFF
##355CA9	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3664AC

Deuteranopia (green-blind)

#2059A7

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355ca9;
/* rgb */ color: rgb(53, 92, 169);
/* oklch */ color: oklch(48.7% 0.131 262.4);

Tailwind

colors: {
  custom: {
    50: '#7a89c3',
    500: '#355ca9',
    950: '#000000',
  },
}

SCSS

$custom: #355ca9;
$custom-light: #7a89c3;
$custom-dark: #000000;

JSON

{
  "hex": "#355ca9",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 169
  },
  "hsl": {
    "h": 219.828,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48719,
    "c": 0.13122,
    "h": 262.4
  },
  "luminance": 0.11276
}

Semantic roles & 50–950 ramp

primary

#355CA9

secondary

#C1A979

accent

#AB4CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355CA9

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

Preview Lab → · Contrast checker → · Palette generator →