#3642BA#3642BA

#3642BA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.187 H 272.0°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3642BA
RGB	rgb(54, 66, 186)
HSL	hsl(235, 55%, 47%)
HSV	hsv(235, 71%, 73%)
CMYK	cmyk(71%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(34.45, 35.67, -64.58)
CIE-LCH	lch(34.45, 73.78, 298.91°)
OKLab	oklab(44.92% 0.0064 -0.1866)
OKLCH	oklch(44.92% 0.187 272)
XYZ	xyz(12.3295, 8.2247, 47.3826)
Luminance	0.0823 (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

#3642BA #BAAE36

analogous

#3684BA #3642BA #6C36BA

triadic

#3642BA #BA3642 #42BA36

tetradic

#3642BA #BA3684 #BAAE36 #36BA6C

square

#3642BA #BA3684 #BAAE36 #36BA6C

split-complementary

#3642BA #BA6C36 #84BA36

monochromatic

#1A205B #28318B #3642BA #5D68D0 #8D94DE

Accessibility & contrast

On white

7.94

#3642BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3642BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3642BA

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3642BA	#FFFFFF	#000000	##FFFFFF
##3642BA	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3642ba;
/* rgb */ color: rgb(54, 66, 186);
/* oklch */ color: oklch(44.9% 0.187 272.0);

Tailwind

colors: {
  custom: {
    50: '#7f76d0',
    500: '#3642ba',
    950: '#000000',
  },
}

SCSS

$custom: #3642ba;
$custom-light: #7f76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3642ba",
  "rgb": {
    "r": 54,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 234.545,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44924,
    "c": 0.18667,
    "h": 272
  },
  "luminance": 0.08226
}

Semantic roles & 50–950 ramp

primary

#3642BA

secondary

#C8C284

accent

#D149DE

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3642BA

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

Preview Lab → · Contrast checker → · Palette generator →