#3659C4#3659C4

#3659C4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.172 H 266.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3659C4
RGB	rgb(54, 89, 196)
HSL	hsl(225, 57%, 49%)
HSV	hsv(225, 72%, 77%)
CMYK	cmyk(72.4%, 54.6%, 0%, 23.1%)
CIE-LAB	lab(41.08, 24.50, -59.63)
CIE-LCH	lch(41.08, 64.46, 292.34°)
OKLab	oklab(50.1% -0.0106 -0.1717)
OKLCH	oklch(50.1% 0.172 266.5)
XYZ	xyz(15.0540, 11.9130, 53.7199)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659C4 #C4A136

analogous

#36A0C4 #3659C4 #5A36C4

triadic

#3659C4 #C43659 #59C436

tetradic

#3659C4 #C436A0 #C4A136 #36C45A

square

#3659C4 #C436A0 #C4A136 #36C45A

split-complementary

#3659C4 #C45A36 #A0C436

monochromatic

#1C2D64 #294394 #3659C4 #637FD4 #93A6E1

Accessibility & contrast

On white

6.21

#3659C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3659C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659C4

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659C4	#FFFFFF	#000000	##FFFFFF
##3659C4	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C8

Deuteranopia (green-blind)

#005BC2

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3659c4;
/* rgb */ color: rgb(54, 89, 196);
/* oklch */ color: oklch(50.1% 0.172 266.5);

Tailwind

colors: {
  custom: {
    50: '#8087d7',
    500: '#3659c4',
    950: '#000000',
  },
}

SCSS

$custom: #3659c4;
$custom-light: #8087d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3659c4",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 196
  },
  "hsl": {
    "h": 225.211,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50103,
    "c": 0.17207,
    "h": 266.5
  },
  "luminance": 0.11915
}

Semantic roles & 50–950 ramp

primary

#3659C4

secondary

#CCBC89

accent

#BB48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3659C4

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

Preview Lab → · Contrast checker → · Palette generator →