#353AB3#353AB3

#353AB3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.187 H 273.5°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#353AB3
RGB	rgb(53, 58, 179)
HSL	hsl(238, 54%, 45%)
HSV	hsv(238, 70%, 70%)
CMYK	cmyk(70.4%, 67.6%, 0%, 29.8%)
CIE-LAB	lab(31.89, 38.09, -64.63)
CIE-LCH	lch(31.89, 75.02, 300.51°)
OKLab	oklab(42.85% 0.0113 -0.1868)
OKLCH	oklch(42.85% 0.187 273.5)
XYZ	xyz(11.1152, 7.0366, 43.4115)
Luminance	0.0704 (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

#353AB3 #B3AE35

analogous

#3579B3 #353AB3 #6F35B3

triadic

#353AB3 #B3353A #3AB335

tetradic

#353AB3 #B33579 #B3AE35 #35B36F

square

#353AB3 #B33579 #B3AE35 #35B36F

split-complementary

#353AB3 #B36F35 #79B335

monochromatic

#191B55 #272B84 #353AB3 #585CCD #878ADB

Accessibility & contrast

On white

8.72

#353AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#353AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353AB3

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353AB3	#FFFFFF	#000000	##FFFFFF
##353AB3	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #353ab3;
/* rgb */ color: rgb(53, 58, 179);
/* oklch */ color: oklch(42.9% 0.187 273.5);

Tailwind

colors: {
  custom: {
    50: '#7e71cb',
    500: '#353ab3',
    950: '#000000',
  },
}

SCSS

$custom: #353ab3;
$custom-light: #7e71cb;
$custom-dark: #000000;

JSON

{
  "hex": "#353ab3",
  "rgb": {
    "r": 53,
    "g": 58,
    "b": 179
  },
  "hsl": {
    "h": 237.619,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42853,
    "c": 0.1871,
    "h": 273.5
  },
  "luminance": 0.07038
}

Semantic roles & 50–950 ramp

primary

#353AB3

secondary

#C5C27F

accent

#D84ADE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #353AB3

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

Preview Lab → · Contrast checker → · Palette generator →