#355A9D#355A9D

#355A9D is a mid, moderate blue. Relative luminance 0.105; OKLCH L 47.5% C 0.117 H 261.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#355A9D
RGB	rgb(53, 90, 157)
HSL	hsl(219, 50%, 41%)
HSV	hsv(219, 66%, 62%)
CMYK	cmyk(66.2%, 42.7%, 0%, 38.4%)
CIE-LAB	lab(38.73, 9.29, -40.43)
CIE-LCH	lch(38.73, 41.48, 282.94°)
OKLab	oklab(47.47% -0.0176 -0.1153)
OKLCH	oklch(47.47% 0.117 261.3)
XYZ	xyz(11.2080, 10.5025, 33.3283)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355A9D #9D7835

analogous

#358E9D #355A9D #44359D

triadic

#355A9D #9D355A #5A9D35

tetradic

#355A9D #9D358E #9D7835 #359D44

square

#355A9D #9D358E #9D7835 #359D44

split-complementary

#355A9D #9D4435 #8E9D35

monochromatic

#162641 #26406F #355A9D #4C77C3 #7A9AD2

Accessibility & contrast

On white

6.77

#355A9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#355A9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355A9D

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355A9D	#FFFFFF	#000000	##FFFFFF
##355A9D	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B60A0

Deuteranopia (green-blind)

#2B579C

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #355a9d;
/* rgb */ color: rgb(53, 90, 157);
/* oklch */ color: oklch(47.5% 0.117 261.3);

Tailwind

colors: {
  custom: {
    50: '#7788ba',
    500: '#355a9d',
    950: '#000000',
  },
}

SCSS

$custom: #355a9d;
$custom-light: #7788ba;
$custom-dark: #000000;

JSON

{
  "hex": "#355a9d",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 157
  },
  "hsl": {
    "h": 218.654,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47473,
    "c": 0.11661,
    "h": 261.3
  },
  "luminance": 0.10504
}

Semantic roles & 50–950 ramp

primary

#355A9D

secondary

#BBA173

accent

#A84FD9

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355A9D

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

Preview Lab → · Contrast checker → · Palette generator →