#353EA3#353EA3

#353EA3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.161 H 273.4°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#353EA3
RGB	rgb(53, 62, 163)
HSL	hsl(235, 51%, 42%)
HSV	hsv(235, 67%, 64%)
CMYK	cmyk(67.5%, 62%, 0%, 36.1%)
CIE-LAB	lab(31.45, 29.92, -55.77)
CIE-LCH	lch(31.45, 63.29, 298.21°)
OKLab	oklab(42.1% 0.0095 -0.1608)
OKLCH	oklch(42.1% 0.161 273.4)
XYZ	xyz(9.7995, 6.8456, 35.4481)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353EA3 #A39A35

analogous

#3575A3 #353EA3 #6335A3

triadic

#353EA3 #A3353E #3EA335

tetradic

#353EA3 #A33575 #A39A35 #35A363

square

#353EA3 #A33575 #A39A35 #35A363

split-complementary

#353EA3 #A36335 #75A335

monochromatic

#171B47 #262C75 #353EA3 #4F59C6 #7E85D5

Accessibility & contrast

On white

8.86

#353EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#353EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353EA3

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353EA3	#FFFFFF	#000000	##FFFFFF
##353EA3	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #353ea3;
/* rgb */ color: rgb(53, 62, 163);
/* oklch */ color: oklch(42.1% 0.161 273.4);

Tailwind

colors: {
  custom: {
    50: '#7a73bf',
    500: '#353ea3',
    950: '#000000',
  },
}

SCSS

$custom: #353ea3;
$custom-light: #7a73bf;
$custom-dark: #000000;

JSON

{
  "hex": "#353ea3",
  "rgb": {
    "r": 53,
    "g": 62,
    "b": 163
  },
  "hsl": {
    "h": 235.091,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42102,
    "c": 0.16105,
    "h": 273.4
  },
  "luminance": 0.06846
}

Semantic roles & 50–950 ramp

primary

#353EA3

secondary

#BEB876

accent

#CF4DDA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #353EA3

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

Preview Lab → · Contrast checker → · Palette generator →