#353EB5#353EB5

#353EB5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.185 H 272.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#353EB5
RGB	rgb(53, 62, 181)
HSL	hsl(236, 55%, 46%)
HSV	hsv(236, 71%, 71%)
CMYK	cmyk(70.7%, 65.7%, 0%, 29%)
CIE-LAB	lab(33.00, 36.30, -64.00)
CIE-LCH	lch(33.00, 73.58, 299.56°)
OKLab	oklab(43.72% 0.0084 -0.1849)
OKLCH	oklch(43.72% 0.185 272.6)
XYZ	xyz(11.5285, 7.5372, 44.5544)
Luminance	0.0754 (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

#353EB5 #B5AC35

analogous

#357EB5 #353EB5 #6C35B5

triadic

#353EB5 #B5353E #3EB535

tetradic

#353EB5 #B5357E #B5AC35 #35B56C

square

#353EB5 #B5357E #B5AC35 #35B56C

split-complementary

#353EB5 #B56C35 #7EB535

monochromatic

#191E56 #272E86 #353EB5 #5961CE #888EDC

Accessibility & contrast

On white

8.37

#353EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#353EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353EB5

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353EB5	#FFFFFF	#000000	##FFFFFF
##353EB5	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #353eb5;
/* rgb */ color: rgb(53, 62, 181);
/* oklch */ color: oklch(43.7% 0.185 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e73cc',
    500: '#353eb5',
    950: '#000000',
  },
}

SCSS

$custom: #353eb5;
$custom-light: #7e73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#353eb5",
  "rgb": {
    "r": 53,
    "g": 62,
    "b": 181
  },
  "hsl": {
    "h": 235.781,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43716,
    "c": 0.18509,
    "h": 272.6
  },
  "luminance": 0.07538
}

Semantic roles & 50–950 ramp

primary

#353EB5

secondary

#C6C180

accent

#D44ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353EB5

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

Preview Lab → · Contrast checker → · Palette generator →