#3659C5#3659C5

#3659C5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.173 H 266.5°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3659C5
RGB	rgb(54, 89, 197)
HSL	hsl(225, 57%, 49%)
HSV	hsv(225, 73%, 77%)
CMYK	cmyk(72.6%, 54.8%, 0%, 22.7%)
CIE-LAB	lab(41.15, 24.87, -60.09)
CIE-LCH	lch(41.15, 65.03, 292.48°)
OKLab	oklab(50.18% -0.0106 -0.1731)
OKLCH	oklch(50.18% 0.173 266.5)
XYZ	xyz(15.1682, 11.9586, 54.3214)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659C5 #C5A236

analogous

#36A1C5 #3659C5 #5B36C5

triadic

#3659C5 #C53659 #59C536

tetradic

#3659C5 #C536A1 #C5A236 #36C55B

square

#3659C5 #C536A1 #C5A236 #36C55B

split-complementary

#3659C5 #C55B36 #A1C536

monochromatic

#1C2E65 #294395 #3659C5 #647FD4 #94A7E2

Accessibility & contrast

On white

6.19

#3659C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#3659C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659C5

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659C5	#FFFFFF	#000000	##FFFFFF
##3659C5	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C9

Deuteranopia (green-blind)

#005BC3

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3659c5;
/* rgb */ color: rgb(54, 89, 197);
/* oklch */ color: oklch(50.2% 0.173 266.5);

Tailwind

colors: {
  custom: {
    50: '#8087d7',
    500: '#3659c5',
    950: '#000000',
  },
}

SCSS

$custom: #3659c5;
$custom-light: #8087d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3659c5",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 197
  },
  "hsl": {
    "h": 225.315,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50181,
    "c": 0.17341,
    "h": 266.5
  },
  "luminance": 0.1196
}

Semantic roles & 50–950 ramp

primary

#3659C5

secondary

#CDBC8A

accent

#BB48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3659C5

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

Preview Lab → · Contrast checker → · Palette generator →