#353EB3#353EB3

#353EB3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.182 H 272.7°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#353EB3
RGB	rgb(53, 62, 179)
HSL	hsl(236, 54%, 45%)
HSV	hsv(236, 70%, 70%)
CMYK	cmyk(70.4%, 65.4%, 0%, 29.8%)
CIE-LAB	lab(32.82, 35.59, -63.10)
CIE-LCH	lch(32.82, 72.45, 299.43°)
OKLab	oklab(43.53% 0.0086 -0.1823)
OKLCH	oklch(43.53% 0.182 272.7)
XYZ	xyz(11.3248, 7.4557, 43.4814)
Luminance	0.0746 (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

#353EB3 #B3AA35

analogous

#357DB3 #353EB3 #6B35B3

triadic

#353EB3 #B3353E #3EB335

tetradic

#353EB3 #B3357D #B3AA35 #35B36B

square

#353EB3 #B3357D #B3AA35 #35B36B

split-complementary

#353EB3 #B36B35 #7DB335

monochromatic

#191D55 #272E84 #353EB3 #5860CD #878DDB

Accessibility & contrast

On white

8.43

#353EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#353EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353EB3

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353EB3	#FFFFFF	#000000	##FFFFFF
##353EB3	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #353eb3;
/* rgb */ color: rgb(53, 62, 179);
/* oklch */ color: oklch(43.5% 0.182 272.7);

Tailwind

colors: {
  custom: {
    50: '#7d73cb',
    500: '#353eb3',
    950: '#000000',
  },
}

SCSS

$custom: #353eb3;
$custom-light: #7d73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#353eb3",
  "rgb": {
    "r": 53,
    "g": 62,
    "b": 179
  },
  "hsl": {
    "h": 235.714,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43532,
    "c": 0.18247,
    "h": 272.7
  },
  "luminance": 0.07457
}

Semantic roles & 50–950 ramp

primary

#353EB3

secondary

#C5C07F

accent

#D34ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353EB3

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

Preview Lab → · Contrast checker → · Palette generator →