#355F9C#355F9C

#355F9C is a mid, moderate blue. Relative luminance 0.113; OKLCH L 48.6% C 0.109 H 257.8°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#355F9C
RGB	rgb(53, 95, 156)
HSL	hsl(216, 49%, 41%)
HSV	hsv(216, 66%, 61%)
CMYK	cmyk(66%, 39.1%, 0%, 38.8%)
CIE-LAB	lab(40.15, 5.70, -37.57)
CIE-LCH	lch(40.15, 38.00, 278.63°)
OKLab	oklab(48.55% -0.0231 -0.1068)
OKLCH	oklch(48.55% 0.109 257.8)
XYZ	xyz(11.5590, 11.3405, 33.0258)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355F9C #9C7235

analogous

#35929C #355F9C #3E359C

triadic

#355F9C #9C355F #5F9C35

tetradic

#355F9C #9C3592 #9C7235 #359C3E

square

#355F9C #9C3592 #9C7235 #359C3E

split-complementary

#355F9C #9C3E35 #929C35

monochromatic

#162741 #25436E #355F9C #4C7CC2 #7A9ED2

Accessibility & contrast

On white

6.43

#355F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#355F9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355F9C

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355F9C	#FFFFFF	#000000	##FFFFFF
##355F9C	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44649E

Deuteranopia (green-blind)

#355A9B

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355f9c;
/* rgb */ color: rgb(53, 95, 156);
/* oklch */ color: oklch(48.6% 0.109 257.8);

Tailwind

colors: {
  custom: {
    50: '#778cb9',
    500: '#355f9c',
    950: '#000000',
  },
}

SCSS

$custom: #355f9c;
$custom-light: #778cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#355f9c",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 156
  },
  "hsl": {
    "h": 215.534,
    "s": 49.282,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48554,
    "c": 0.10931,
    "h": 257.8
  },
  "luminance": 0.11342
}

Semantic roles & 50–950 ramp

primary

#355F9C

secondary

#BA9D72

accent

#A14FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #355F9C

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

Preview Lab → · Contrast checker → · Palette generator →