#3640CA#3640CA

#3640CA is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.1% C 0.209 H 271.7°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3640CA
RGB	rgb(54, 64, 202)
HSL	hsl(236, 58%, 50%)
HSV	hsv(236, 73%, 79%)
CMYK	cmyk(73.3%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(35.43, 42.46, -72.34)
CIE-LCH	lch(35.43, 83.88, 300.41°)
OKLab	oklab(46.08% 0.0063 -0.2093)
OKLCH	oklch(46.08% 0.209 271.7)
XYZ	xyz(14.0118, 8.7139, 56.8092)
Luminance	0.0872 (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

#3640CA #CAC036

analogous

#368ACA #3640CA #7636CA

triadic

#3640CA #CA3640 #40CA36

tetradic

#3640CA #CA368A #CAC036 #36CA76

square

#3640CA #CA368A #CAC036 #36CA76

split-complementary

#3640CA #CA7636 #8ACA36

monochromatic

#1C216A #29309A #3640CA #666ED7 #979CE4

Accessibility & contrast

On white

7.66

#3640CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3640CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3640CA

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3640CA	#FFFFFF	#000000	##FFFFFF
##3640CA	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACE

Deuteranopia (green-blind)

#004CC7

Tritanopia (blue-blind)

#006680

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3640ca;
/* rgb */ color: rgb(54, 64, 202);
/* oklch */ color: oklch(46.1% 0.209 271.7);

Tailwind

colors: {
  custom: {
    50: '#8375db',
    500: '#3640ca',
    950: '#000000',
  },
}

SCSS

$custom: #3640ca;
$custom-light: #8375db;
$custom-dark: #000000;

JSON

{
  "hex": "#3640ca",
  "rgb": {
    "r": 54,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 235.946,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46078,
    "c": 0.20935,
    "h": 271.7
  },
  "luminance": 0.08715
}

Semantic roles & 50–950 ramp

primary

#3640CA

secondary

#CFCB8D

accent

#D746E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3640CA

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

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