#353CB3#353CB3

#353CB3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.185 H 273.1°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#353CB3
RGB	rgb(53, 60, 179)
HSL	hsl(237, 54%, 45%)
HSV	hsv(237, 70%, 70%)
CMYK	cmyk(70.4%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(32.35, 36.85, -63.87)
CIE-LCH	lch(32.35, 73.74, 299.98°)
OKLab	oklab(43.19% 0.01 -0.1845)
OKLCH	oklch(43.19% 0.185 273.1)
XYZ	xyz(11.2180, 7.2422, 43.4458)
Luminance	0.0724 (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

#353CB3 #B3AC35

analogous

#357BB3 #353CB3 #6D35B3

triadic

#353CB3 #B3353C #3CB335

tetradic

#353CB3 #B3357B #B3AC35 #35B36D

square

#353CB3 #B3357B #B3AC35 #35B36D

split-complementary

#353CB3 #B36D35 #7BB335

monochromatic

#191C55 #272C84 #353CB3 #585ECD #878CDB

Accessibility & contrast

On white

8.58

#353CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#353CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CB3

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353CB3	#FFFFFF	#000000	##FFFFFF
##353CB3	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0046B1

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #353cb3;
/* rgb */ color: rgb(53, 60, 179);
/* oklch */ color: oklch(43.2% 0.185 273.1);

Tailwind

colors: {
  custom: {
    50: '#7e72cb',
    500: '#353cb3',
    950: '#000000',
  },
}

SCSS

$custom: #353cb3;
$custom-light: #7e72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#353cb3",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 236.667,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43189,
    "c": 0.18481,
    "h": 273.1
  },
  "luminance": 0.07243
}

Semantic roles & 50–950 ramp

primary

#353CB3

secondary

#C5C17F

accent

#D54ADE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353CB3

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

Preview Lab → · Contrast checker → · Palette generator →