#3542BB#3542BB

#3542BB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.188 H 271.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3542BB
RGB	rgb(53, 66, 187)
HSL	hsl(234, 56%, 47%)
HSV	hsv(234, 72%, 73%)
CMYK	cmyk(71.7%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(34.48, 35.90, -65.12)
CIE-LCH	lch(34.48, 74.36, 298.86°)
OKLab	oklab(44.96% 0.0053 -0.1882)
OKLCH	oklch(44.96% 0.188 271.6)
XYZ	xyz(12.3830, 8.2399, 47.9419)
Luminance	0.0824 (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

#3542BB #BBAE35

analogous

#3585BB #3542BB #6B35BB

triadic

#3542BB #BB3542 #42BB35

tetradic

#3542BB #BB3585 #BBAE35 #35BB6B

square

#3542BB #BB3585 #BBAE35 #35BB6B

split-complementary

#3542BB #BB6B35 #85BB35

monochromatic

#1A205C #27318B #3542BB #5C68D1 #8C94DE

Accessibility & contrast

On white

7.93

#3542BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3542BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3542BB

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3542BB	#FFFFFF	#000000	##FFFFFF
##3542BB	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3542bb;
/* rgb */ color: rgb(53, 66, 187);
/* oklch */ color: oklch(45.0% 0.188 271.6);

Tailwind

colors: {
  custom: {
    50: '#7f76d0',
    500: '#3542bb',
    950: '#000000',
  },
}

SCSS

$custom: #3542bb;
$custom-light: #7f76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3542bb",
  "rgb": {
    "r": 53,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 234.179,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44958,
    "c": 0.18823,
    "h": 271.6
  },
  "luminance": 0.08241
}

Semantic roles & 50–950 ramp

primary

#3542BB

secondary

#C9C283

accent

#D149DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3542BB

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

Preview Lab → · Contrast checker → · Palette generator →