#355C99#355C99

#355C99 is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.7% C 0.109 H 259.0°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#355C99
RGB	rgb(53, 92, 153)
HSL	hsl(217, 49%, 40%)
HSV	hsv(217, 65%, 60%)
CMYK	cmyk(65.4%, 39.9%, 0%, 40%)
CIE-LAB	lab(39.09, 6.53, -37.46)
CIE-LCH	lch(39.09, 38.02, 279.89°)
OKLab	oklab(47.68% -0.0207 -0.1065)
OKLCH	oklch(47.68% 0.109 259)
XYZ	xyz(11.0431, 10.7100, 31.6161)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355C99 #997235

analogous

#358E99 #355C99 #403599

triadic

#355C99 #99355C #5C9935

tetradic

#355C99 #99358E #997235 #359940

square

#355C99 #99358E #997235 #359940

split-complementary

#355C99 #994035 #8E9935

monochromatic

#16253E #25416C #355C99 #4B79C1 #789BD0

Accessibility & contrast

On white

6.68

#355C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#355C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355C99

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355C99	#FFFFFF	#000000	##FFFFFF
##355C99	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#335898

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355c99;
/* rgb */ color: rgb(53, 92, 153);
/* oklch */ color: oklch(47.7% 0.109 259.0);

Tailwind

colors: {
  custom: {
    50: '#7789b7',
    500: '#355c99',
    950: '#000000',
  },
}

SCSS

$custom: #355c99;
$custom-light: #7789b7;
$custom-dark: #000000;

JSON

{
  "hex": "#355c99",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 216.6,
    "s": 48.544,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47675,
    "c": 0.10852,
    "h": 259
  },
  "luminance": 0.10711
}

Semantic roles & 50–950 ramp

primary

#355C99

secondary

#B99D71

accent

#A350D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #355C99

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

Preview Lab → · Contrast checker → · Palette generator →