#353B9C#353B9C

#353B9C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.155 H 274.5°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#353B9C
RGB	rgb(53, 59, 156)
HSL	hsl(237, 49%, 41%)
HSV	hsv(237, 66%, 61%)
CMYK	cmyk(66%, 62.2%, 0%, 38.8%)
CIE-LAB	lab(30.12, 29.37, -53.71)
CIE-LCH	lch(30.12, 61.22, 298.67°)
OKLab	oklab(40.94% 0.0122 -0.1547)
OKLCH	oklch(40.94% 0.155 274.5)
XYZ	xyz(9.0309, 6.2843, 32.1831)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353B9C #9C9635

analogous

#356E9C #353B9C #62359C

triadic

#353B9C #9C353B #3B9C35

tetradic

#353B9C #9C356E #9C9635 #359C62

square

#353B9C #9C356E #9C9635 #359C62

split-complementary

#353B9C #9C6235 #6E9C35

monochromatic

#161841 #252A6E #353B9C #4C53C2 #7A7FD2

Accessibility & contrast

On white

9.30

#353B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#353B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353B9C

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353B9C	#FFFFFF	#000000	##FFFFFF
##353B9C	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #353b9c;
/* rgb */ color: rgb(53, 59, 156);
/* oklch */ color: oklch(40.9% 0.155 274.5);

Tailwind

colors: {
  custom: {
    50: '#7971ba',
    500: '#353b9c',
    950: '#000000',
  },
}

SCSS

$custom: #353b9c;
$custom-light: #7971ba;
$custom-dark: #000000;

JSON

{
  "hex": "#353b9c",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 156
  },
  "hsl": {
    "h": 236.505,
    "s": 49.282,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40938,
    "c": 0.15522,
    "h": 274.5
  },
  "luminance": 0.06285
}

Semantic roles & 50–950 ramp

primary

#353B9C

secondary

#BAB672

accent

#D14FD9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #353B9C

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

Preview Lab → · Contrast checker → · Palette generator →