#353F9C#353F9C

#353F9C is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.150 H 273.3°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#353F9C
RGB	rgb(53, 63, 156)
HSL	hsl(234, 49%, 41%)
HSV	hsv(234, 66%, 61%)
CMYK	cmyk(66%, 59.6%, 0%, 38.8%)
CIE-LAB	lab(31.14, 26.75, -52.05)
CIE-LCH	lch(31.14, 58.52, 297.20°)
OKLab	oklab(41.69% 0.0087 -0.1498)
OKLCH	oklch(41.69% 0.15 273.3)
XYZ	xyz(9.2445, 6.7114, 32.2543)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353F9C #9C9235

analogous

#35729C #353F9C #5E359C

triadic

#353F9C #9C353F #3F9C35

tetradic

#353F9C #9C3572 #9C9235 #359C5E

square

#353F9C #9C3572 #9C9235 #359C5E

split-complementary

#353F9C #9C5E35 #729C35

monochromatic

#161A41 #252D6E #353F9C #4C57C2 #7A82D2

Accessibility & contrast

On white

8.97

#353F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#353F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353F9C

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353F9C	#FFFFFF	#000000	##FFFFFF
##353F9C	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9F

Deuteranopia (green-blind)

#00459A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #353f9c;
/* rgb */ color: rgb(53, 63, 156);
/* oklch */ color: oklch(41.7% 0.150 273.3);

Tailwind

colors: {
  custom: {
    50: '#7874ba',
    500: '#353f9c',
    950: '#000000',
  },
}

SCSS

$custom: #353f9c;
$custom-light: #7874ba;
$custom-dark: #000000;

JSON

{
  "hex": "#353f9c",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 234.175,
    "s": 49.282,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41694,
    "c": 0.15007,
    "h": 273.3
  },
  "luminance": 0.06712
}

Semantic roles & 50–950 ramp

primary

#353F9C

secondary

#BAB372

accent

#CB4FD9

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #353F9C

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

Preview Lab → · Contrast checker → · Palette generator →