#353CB4#353CB4

#353CB4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.186 H 273.0°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#353CB4
RGB	rgb(53, 60, 180)
HSL	hsl(237, 55%, 46%)
HSV	hsv(237, 71%, 71%)
CMYK	cmyk(70.6%, 66.7%, 0%, 29.4%)
CIE-LAB	lab(32.44, 37.20, -64.32)
CIE-LCH	lch(32.44, 74.30, 300.04°)
OKLab	oklab(43.28% 0.0099 -0.1858)
OKLCH	oklch(43.28% 0.186 273)
XYZ	xyz(11.3195, 7.2828, 43.9803)
Luminance	0.0728 (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

#353CB4 #B4AD35

analogous

#357BB4 #353CB4 #6D35B4

triadic

#353CB4 #B4353C #3CB435

tetradic

#353CB4 #B4357B #B4AD35 #35B46D

square

#353CB4 #B4357B #B4AD35 #35B46D

split-complementary

#353CB4 #B46D35 #7BB435

monochromatic

#191C55 #272C85 #353CB4 #585FCE #888CDC

Accessibility & contrast

On white

8.55

#353CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#353CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CB4

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353CB4	#FFFFFF	#000000	##FFFFFF
##353CB4	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #353cb4;
/* rgb */ color: rgb(53, 60, 180);
/* oklch */ color: oklch(43.3% 0.186 273.0);

Tailwind

colors: {
  custom: {
    50: '#7e72cc',
    500: '#353cb4',
    950: '#000000',
  },
}

SCSS

$custom: #353cb4;
$custom-light: #7e72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#353cb4",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 180
  },
  "hsl": {
    "h": 236.693,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43282,
    "c": 0.18611,
    "h": 273
  },
  "luminance": 0.07284
}

Semantic roles & 50–950 ramp

primary

#353CB4

secondary

#C6C27F

accent

#D64ADE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353CB4

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

Preview Lab → · Contrast checker → · Palette generator →