#353B99#353B99

#353B99 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.151 H 274.7°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#353B99
RGB	rgb(53, 59, 153)
HSL	hsl(236, 49%, 40%)
HSV	hsv(236, 65%, 60%)
CMYK	cmyk(65.4%, 61.4%, 0%, 40%)
CIE-LAB	lab(29.87, 28.30, -52.29)
CIE-LCH	lch(29.87, 59.45, 298.42°)
OKLab	oklab(40.68% 0.0123 -0.1506)
OKLCH	oklch(40.68% 0.151 274.7)
XYZ	xyz(8.7800, 6.1840, 30.8617)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353B99 #999335

analogous

#356D99 #353B99 #613599

triadic

#353B99 #99353B #3B9935

tetradic

#353B99 #99356D #999335 #359961

square

#353B99 #99356D #999335 #359961

split-complementary

#353B99 #996135 #6D9935

monochromatic

#16183E #25296C #353B99 #4B52C1 #787DD0

Accessibility & contrast

On white

9.39

#353B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#353B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353B99

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353B99	#FFFFFF	#000000	##FFFFFF
##353B99	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004297

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #353b99;
/* rgb */ color: rgb(53, 59, 153);
/* oklch */ color: oklch(40.7% 0.151 274.7);

Tailwind

colors: {
  custom: {
    50: '#7871b8',
    500: '#353b99',
    950: '#000000',
  },
}

SCSS

$custom: #353b99;
$custom-light: #7871b8;
$custom-dark: #000000;

JSON

{
  "hex": "#353b99",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 236.4,
    "s": 48.544,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40679,
    "c": 0.15106,
    "h": 274.7
  },
  "luminance": 0.06185
}

Semantic roles & 50–950 ramp

primary

#353B99

secondary

#B9B571

accent

#D050D8

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #353B99

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

Preview Lab → · Contrast checker → · Palette generator →