#355DA9#355DA9

#355DA9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 48.9% C 0.130 H 261.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#355DA9
RGB	rgb(53, 93, 169)
HSL	hsl(219, 52%, 44%)
HSV	hsv(219, 69%, 66%)
CMYK	cmyk(68.6%, 45%, 0%, 33.7%)
CIE-LAB	lab(40.33, 11.76, -45.02)
CIE-LCH	lch(40.33, 46.53, 284.64°)
OKLab	oklab(48.94% -0.0183 -0.1287)
OKLCH	oklch(48.94% 0.13 261.9)
XYZ	xyz(12.5414, 11.4489, 39.0773)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DA9 #A98135

analogous

#3597A9 #355DA9 #4735A9

triadic

#355DA9 #A9355D #5DA935

tetradic

#355DA9 #A93597 #A98135 #35A947

square

#355DA9 #A93597 #A98135 #35A947

split-complementary

#355DA9 #A94735 #97A935

monochromatic

#182A4C #26437A #355DA9 #527BC9 #819FD7

Accessibility & contrast

On white

6.38

#355DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#355DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DA9

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DA9	#FFFFFF	#000000	##FFFFFF
##355DA9	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AC

Deuteranopia (green-blind)

#235AA7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355da9;
/* rgb */ color: rgb(53, 93, 169);
/* oklch */ color: oklch(48.9% 0.130 261.9);

Tailwind

colors: {
  custom: {
    50: '#798ac3',
    500: '#355da9',
    950: '#000000',
  },
}

SCSS

$custom: #355da9;
$custom-light: #798ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#355da9",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 219.31,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4894,
    "c": 0.13,
    "h": 261.9
  },
  "luminance": 0.1145
}

Semantic roles & 50–950 ramp

primary

#355DA9

secondary

#C1A879

accent

#AA4CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355DA9

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

Preview Lab → · Contrast checker → · Palette generator →