#353F88#353F88

#353F88 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.121 H 273.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#353F88
RGB	rgb(53, 63, 136)
HSL	hsl(233, 44%, 37%)
HSV	hsv(233, 61%, 53%)
CMYK	cmyk(61%, 53.7%, 0%, 46.7%)
CIE-LAB	lab(29.64, 19.53, -42.23)
CIE-LCH	lch(29.64, 46.53, 294.82°)
OKLab	oklab(40.09% 0.008 -0.1209)
OKLCH	oklch(40.09% 0.121 273.8)
XYZ	xyz(7.6882, 6.0889, 24.0579)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353F88 #887E35

analogous

#356988 #353F88 #553588

triadic

#353F88 #88353F #3F8835

tetradic

#353F88 #883569 #887E35 #358855

square

#353F88 #883569 #887E35 #358855

split-complementary

#353F88 #885535 #698835

monochromatic

#131630 #242B5C #353F88 #4653B4 #707BC7

Accessibility & contrast

On white

9.47

#353F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#353F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353F88

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353F88	#FFFFFF	#000000	##FFFFFF
##353F88	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154A8B

Deuteranopia (green-blind)

#004286

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #353f88;
/* rgb */ color: rgb(53, 63, 136);
/* oklch */ color: oklch(40.1% 0.121 273.8);

Tailwind

colors: {
  custom: {
    50: '#7573ab',
    500: '#353f88',
    950: '#000000',
  },
}

SCSS

$custom: #353f88;
$custom-light: #7573ab;
$custom-dark: #000000;

JSON

{
  "hex": "#353f88",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 136
  },
  "hsl": {
    "h": 232.771,
    "s": 43.915,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40092,
    "c": 0.12119,
    "h": 273.8
  },
  "luminance": 0.06089
}

Semantic roles & 50–950 ramp

primary

#353F88

secondary

#B0A769

accent

#C454D4

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #353F88

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

Preview Lab → · Contrast checker → · Palette generator →