#355A9F#355A9F

#355A9F is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.6% C 0.119 H 261.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#355A9F
RGB	rgb(53, 90, 159)
HSL	hsl(219, 50%, 42%)
HSV	hsv(219, 67%, 62%)
CMYK	cmyk(66.7%, 43.4%, 0%, 37.6%)
CIE-LAB	lab(38.85, 10.02, -41.43)
CIE-LCH	lch(38.85, 42.63, 283.60°)
OKLab	oklab(47.6% -0.0173 -0.1182)
OKLCH	oklch(47.6% 0.119 261.7)
XYZ	xyz(11.3802, 10.5713, 34.2349)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355A9F #9F7A35

analogous

#358F9F #355A9F #45359F

triadic

#355A9F #9F355A #5A9F35

tetradic

#355A9F #9F358F #9F7A35 #359F45

square

#355A9F #9F358F #9F7A35 #359F45

split-complementary

#355A9F #9F4535 #8F9F35

monochromatic

#162643 #264071 #355A9F #4D77C4 #7B9AD3

Accessibility & contrast

On white

6.74

#355A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#355A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355A9F

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355A9F	#FFFFFF	#000000	##FFFFFF
##355A9F	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A61A2

Deuteranopia (green-blind)

#29579E

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #355a9f;
/* rgb */ color: rgb(53, 90, 159);
/* oklch */ color: oklch(47.6% 0.119 261.7);

Tailwind

colors: {
  custom: {
    50: '#7888bc',
    500: '#355a9f',
    950: '#000000',
  },
}

SCSS

$custom: #355a9f;
$custom-light: #7888bc;
$custom-dark: #000000;

JSON

{
  "hex": "#355a9f",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 159
  },
  "hsl": {
    "h": 219.057,
    "s": 50,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47604,
    "c": 0.11947,
    "h": 261.7
  },
  "luminance": 0.10572
}

Semantic roles & 50–950 ramp

primary

#355A9F

secondary

#BCA374

accent

#A94EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355A9F

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

Preview Lab → · Contrast checker → · Palette generator →