#355D9A#355D9A

#355D9A is a mid, moderate blue. Relative luminance 0.109; OKLCH L 48.0% C 0.109 H 258.6°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#355D9A
RGB	rgb(53, 93, 154)
HSL	hsl(216, 49%, 41%)
HSV	hsv(216, 66%, 60%)
CMYK	cmyk(65.6%, 39.6%, 0%, 39.6%)
CIE-LAB	lab(39.44, 6.25, -37.50)
CIE-LCH	lch(39.44, 38.02, 279.47°)
OKLab	oklab(47.97% -0.0215 -0.1066)
OKLCH	oklch(47.97% 0.109 258.6)
XYZ	xyz(11.2132, 10.9176, 32.0820)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355D9A #9A7235

analogous

#358F9A #355D9A #40359A

triadic

#355D9A #9A355D #5D9A35

tetradic

#355D9A #9A358F #9A7235 #359A40

square

#355D9A #9A358F #9A7235 #359A40

split-complementary

#355D9A #9A4035 #8F9A35

monochromatic

#16263F #25426C #355D9A #4B7AC1 #799CD1

Accessibility & contrast

On white

6.60

#355D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#355D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355D9A

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355D9A	#FFFFFF	#000000	##FFFFFF
##355D9A	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42629C

Deuteranopia (green-blind)

#335999

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355d9a;
/* rgb */ color: rgb(53, 93, 154);
/* oklch */ color: oklch(48.0% 0.109 258.6);

Tailwind

colors: {
  custom: {
    50: '#778ab8',
    500: '#355d9a',
    950: '#000000',
  },
}

SCSS

$custom: #355d9a;
$custom-light: #778ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#355d9a",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 154
  },
  "hsl": {
    "h": 216.238,
    "s": 48.792,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47968,
    "c": 0.10878,
    "h": 258.6
  },
  "luminance": 0.10919
}

Semantic roles & 50–950 ramp

primary

#355D9A

secondary

#B99D71

accent

#A24FD8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #355D9A

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

Preview Lab → · Contrast checker → · Palette generator →