#3642BB#3642BB

#3642BB is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.188 H 271.9°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3642BB
RGB	rgb(54, 66, 187)
HSL	hsl(235, 55%, 47%)
HSV	hsv(235, 71%, 73%)
CMYK	cmyk(71.1%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(34.53, 36.02, -65.03)
CIE-LCH	lch(34.53, 74.34, 298.98°)
OKLab	oklab(45.01% 0.0063 -0.1879)
OKLCH	oklch(45.01% 0.188 271.9)
XYZ	xyz(12.4361, 8.2673, 47.9444)
Luminance	0.0827 (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

#3642BB #BBAF36

analogous

#3685BB #3642BB #6C36BB

triadic

#3642BB #BB3642 #42BB36

tetradic

#3642BB #BB3685 #BBAF36 #36BB6C

square

#3642BB #BB3685 #BBAF36 #36BB6C

split-complementary

#3642BB #BB6C36 #85BB36

monochromatic

#1B205C #28318C #3642BB #5E68D0 #8D95DE

Accessibility & contrast

On white

7.91

#3642BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3642BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3642BB

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3642BB	#FFFFFF	#000000	##FFFFFF
##3642BB	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	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: #3642bb;
/* rgb */ color: rgb(54, 66, 187);
/* oklch */ color: oklch(45.0% 0.188 271.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3642bb",
  "rgb": {
    "r": 54,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 234.586,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45014,
    "c": 0.18798,
    "h": 271.9
  },
  "luminance": 0.08269
}

Semantic roles & 50–950 ramp

primary

#3642BB

secondary

#C9C284

accent

#D149DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3642BB

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

Preview Lab → · Contrast checker → · Palette generator →