#3659C8#3659C8

#3659C8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.4% C 0.177 H 266.6°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3659C8
RGB	rgb(54, 89, 200)
HSL	hsl(226, 57%, 50%)
HSV	hsv(226, 73%, 78%)
CMYK	cmyk(73%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(41.37, 25.97, -61.47)
CIE-LCH	lch(41.37, 66.73, 292.91°)
OKLab	oklab(50.42% -0.0104 -0.1771)
OKLCH	oklch(50.42% 0.177 266.6)
XYZ	xyz(15.5154, 12.0975, 56.1497)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659C8 #C8A536

analogous

#36A2C8 #3659C8 #5C36C8

triadic

#3659C8 #C83659 #59C836

tetradic

#3659C8 #C836A2 #C8A536 #36C85C

square

#3659C8 #C836A2 #C8A536 #36C85C

split-complementary

#3659C8 #C85C36 #A2C836

monochromatic

#1C2E68 #294498 #3659C8 #6680D6 #96A8E3

Accessibility & contrast

On white

6.14

#3659C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3659C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659C8

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659C8	#FFFFFF	#000000	##FFFFFF
##3659C8	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3659c8;
/* rgb */ color: rgb(54, 89, 200);
/* oklch */ color: oklch(50.4% 0.177 266.6);

Tailwind

colors: {
  custom: {
    50: '#8187d9',
    500: '#3659c8',
    950: '#000000',
  },
}

SCSS

$custom: #3659c8;
$custom-light: #8187d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3659c8",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 225.616,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50417,
    "c": 0.17745,
    "h": 266.6
  },
  "luminance": 0.12099
}

Semantic roles & 50–950 ramp

primary

#3659C8

secondary

#CEBE8C

accent

#BC47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3659C8

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

Preview Lab → · Contrast checker → · Palette generator →