#355D9D#355D9D

#355D9D is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.2% C 0.113 H 259.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#355D9D
RGB	rgb(53, 93, 157)
HSL	hsl(217, 50%, 41%)
HSV	hsv(217, 66%, 62%)
CMYK	cmyk(66.2%, 40.8%, 0%, 38.4%)
CIE-LAB	lab(39.61, 7.35, -39.02)
CIE-LCH	lch(39.61, 39.71, 280.67°)
OKLab	oklab(48.16% -0.0208 -0.1111)
OKLCH	oklch(48.16% 0.113 259.4)
XYZ	xyz(11.4662, 11.0188, 33.4143)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355D9D #9D7535

analogous

#35919D #355D9D #41359D

triadic

#355D9D #9D355D #5D9D35

tetradic

#355D9D #9D3591 #9D7535 #359D41

square

#355D9D #9D3591 #9D7535 #359D41

split-complementary

#355D9D #9D4135 #919D35

monochromatic

#162741 #26426F #355D9D #4C7AC3 #7A9CD2

Accessibility & contrast

On white

6.55

#355D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#355D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355D9D

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355D9D	#FFFFFF	#000000	##FFFFFF
##355D9D	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4063A0

Deuteranopia (green-blind)

#31599C

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355d9d;
/* rgb */ color: rgb(53, 93, 157);
/* oklch */ color: oklch(48.2% 0.113 259.4);

Tailwind

colors: {
  custom: {
    50: '#778aba',
    500: '#355d9d',
    950: '#000000',
  },
}

SCSS

$custom: #355d9d;
$custom-light: #778aba;
$custom-dark: #000000;

JSON

{
  "hex": "#355d9d",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 157
  },
  "hsl": {
    "h": 216.923,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48156,
    "c": 0.11303,
    "h": 259.4
  },
  "luminance": 0.1102
}

Semantic roles & 50–950 ramp

primary

#355D9D

secondary

#BB9F73

accent

#A44FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #355D9D

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

Preview Lab → · Contrast checker → · Palette generator →