#353DB4#353DB4

#353DB4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.185 H 272.8°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#353DB4
RGB	rgb(53, 61, 180)
HSL	hsl(236, 55%, 46%)
HSV	hsv(236, 71%, 71%)
CMYK	cmyk(70.6%, 66.1%, 0%, 29.4%)
CIE-LAB	lab(32.68, 36.57, -63.94)
CIE-LCH	lch(32.68, 73.66, 299.77°)
OKLab	oklab(43.45% 0.0092 -0.1847)
OKLCH	oklch(43.45% 0.185 272.8)
XYZ	xyz(11.3724, 7.3886, 43.9980)
Luminance	0.0739 (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

#353DB4 #B4AC35

analogous

#357DB4 #353DB4 #6C35B4

triadic

#353DB4 #B4353D #3DB435

tetradic

#353DB4 #B4357D #B4AC35 #35B46C

square

#353DB4 #B4357D #B4AC35 #35B46C

split-complementary

#353DB4 #B46C35 #7DB435

monochromatic

#191D55 #272D85 #353DB4 #5860CE #888DDC

Accessibility & contrast

On white

8.47

#353DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#353DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353DB4

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353DB4	#FFFFFF	#000000	##FFFFFF
##353DB4	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #353db4;
/* rgb */ color: rgb(53, 61, 180);
/* oklch */ color: oklch(43.5% 0.185 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e73cb',
    500: '#353db4',
    950: '#000000',
  },
}

SCSS

$custom: #353db4;
$custom-light: #7e73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#353db4",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 180
  },
  "hsl": {
    "h": 236.22,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43452,
    "c": 0.18495,
    "h": 272.8
  },
  "luminance": 0.0739
}

Semantic roles & 50–950 ramp

primary

#353DB4

secondary

#C6C17F

accent

#D54ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353DB4

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

Preview Lab → · Contrast checker → · Palette generator →