#3659CA#3659CA

#3659CA is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.180 H 266.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3659CA
RGB	rgb(54, 89, 202)
HSL	hsl(226, 58%, 50%)
HSV	hsv(226, 73%, 79%)
CMYK	cmyk(73.3%, 55.9%, 0%, 20.8%)
CIE-LAB	lab(41.52, 26.71, -62.38)
CIE-LCH	lch(41.52, 67.86, 293.18°)
OKLab	oklab(50.58% -0.0103 -0.1798)
OKLCH	oklch(50.58% 0.18 266.7)
XYZ	xyz(15.7506, 12.1916, 57.3888)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659CA #CAA736

analogous

#36A3CA #3659CA #5D36CA

triadic

#3659CA #CA3659 #59CA36

tetradic

#3659CA #CA36A3 #CAA736 #36CA5D

square

#3659CA #CA36A3 #CAA736 #36CA5D

split-complementary

#3659CA #CA5D36 #A3CA36

monochromatic

#1C2E6A #29439A #3659CA #6681D7 #97A9E4

Accessibility & contrast

On white

6.11

#3659CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3659CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659CA

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659CA	#FFFFFF	#000000	##FFFFFF
##3659CA	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3659ca;
/* rgb */ color: rgb(54, 89, 202);
/* oklch */ color: oklch(50.6% 0.180 266.7);

Tailwind

colors: {
  custom: {
    50: '#8187db',
    500: '#3659ca',
    950: '#000000',
  },
}

SCSS

$custom: #3659ca;
$custom-light: #8187db;
$custom-dark: #000000;

JSON

{
  "hex": "#3659ca",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 202
  },
  "hsl": {
    "h": 225.811,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50575,
    "c": 0.18013,
    "h": 266.7
  },
  "luminance": 0.12193
}

Semantic roles & 50–950 ramp

primary

#3659CA

secondary

#CFBF8D

accent

#BD46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3659CA

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

Preview Lab → · Contrast checker → · Palette generator →