#353BB1#353BB1

#353BB1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.183 H 273.4°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#353BB1
RGB	rgb(53, 59, 177)
HSL	hsl(237, 54%, 45%)
HSV	hsv(237, 70%, 69%)
CMYK	cmyk(70.1%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(31.94, 36.77, -63.36)
CIE-LCH	lch(31.94, 73.26, 300.13°)
OKLab	oklab(42.83% 0.0108 -0.183)
OKLCH	oklch(42.83% 0.183 273.4)
XYZ	xyz(10.9653, 7.0581, 42.3709)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353BB1 #B1AB35

analogous

#3579B1 #353BB1 #6D35B1

triadic

#353BB1 #B1353B #3BB135

tetradic

#353BB1 #B13579 #B1AB35 #35B16D

square

#353BB1 #B13579 #B1AB35 #35B16D

split-complementary

#353BB1 #B16D35 #79B135

monochromatic

#191C53 #272B82 #353BB1 #575CCD #868ADB

Accessibility & contrast

On white

8.71

#353BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#353BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353BB1

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353BB1	#FFFFFF	#000000	##FFFFFF
##353BB1	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#0045AF

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #353bb1;
/* rgb */ color: rgb(53, 59, 177);
/* oklch */ color: oklch(42.8% 0.183 273.4);

Tailwind

colors: {
  custom: {
    50: '#7d71c9',
    500: '#353bb1',
    950: '#000000',
  },
}

SCSS

$custom: #353bb1;
$custom-light: #7d71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#353bb1",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 237.097,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42833,
    "c": 0.18337,
    "h": 273.4
  },
  "luminance": 0.07059
}

Semantic roles & 50–950 ramp

primary

#353BB1

secondary

#C4C17D

accent

#D64BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353BB1

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

Preview Lab → · Contrast checker → · Palette generator →