#353EA5#353EA5

#353EA5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.164 H 273.3°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#353EA5
RGB	rgb(53, 62, 165)
HSL	hsl(235, 51%, 43%)
HSV	hsv(235, 68%, 65%)
CMYK	cmyk(67.9%, 62.4%, 0%, 35.3%)
CIE-LAB	lab(31.62, 30.63, -56.70)
CIE-LCH	lch(31.62, 64.45, 298.38°)
OKLab	oklab(42.28% 0.0094 -0.1635)
OKLCH	oklch(42.28% 0.164 273.3)
XYZ	xyz(9.9801, 6.9178, 36.3993)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353EA5 #A59C35

analogous

#3576A5 #353EA5 #6435A5

triadic

#353EA5 #A5353E #3EA535

tetradic

#353EA5 #A53576 #A59C35 #35A564

square

#353EA5 #A53576 #A59C35 #35A564

split-complementary

#353EA5 #A56435 #76A535

monochromatic

#171B48 #262D77 #353EA5 #505AC7 #7F86D6

Accessibility & contrast

On white

8.81

#353EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#353EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353EA5

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353EA5	#FFFFFF	#000000	##FFFFFF
##353EA5	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A8

Deuteranopia (green-blind)

#0045A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #353ea5;
/* rgb */ color: rgb(53, 62, 165);
/* oklch */ color: oklch(42.3% 0.164 273.3);

Tailwind

colors: {
  custom: {
    50: '#7a73c1',
    500: '#353ea5',
    950: '#000000',
  },
}

SCSS

$custom: #353ea5;
$custom-light: #7a73c1;
$custom-dark: #000000;

JSON

{
  "hex": "#353ea5",
  "rgb": {
    "r": 53,
    "g": 62,
    "b": 165
  },
  "hsl": {
    "h": 235.179,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42277,
    "c": 0.16378,
    "h": 273.3
  },
  "luminance": 0.06919
}

Semantic roles & 50–950 ramp

primary

#353EA5

secondary

#BFB977

accent

#CF4DDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #353EA5

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

Preview Lab → · Contrast checker → · Palette generator →