#3659C0#3659C0

#3659C0 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.8% C 0.167 H 266.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3659C0
RGB	rgb(54, 89, 192)
HSL	hsl(225, 56%, 48%)
HSV	hsv(225, 72%, 75%)
CMYK	cmyk(71.9%, 53.6%, 0%, 24.7%)
CIE-LAB	lab(40.79, 23.03, -57.77)
CIE-LCH	lch(40.79, 62.19, 291.73°)
OKLab	oklab(49.79% -0.0109 -0.1663)
OKLCH	oklch(49.79% 0.167 266.2)
XYZ	xyz(14.6048, 11.7333, 51.3540)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659C0 #C09D36

analogous

#369EC0 #3659C0 #5836C0

triadic

#3659C0 #C03659 #59C036

tetradic

#3659C0 #C0369E #C09D36 #36C058

square

#3659C0 #C0369E #C09D36 #36C058

split-complementary

#3659C0 #C05836 #9EC036

monochromatic

#1B2D60 #294390 #3659C0 #617ED2 #90A5E0

Accessibility & contrast

On white

6.27

#3659C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3659C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659C0

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659C0	#FFFFFF	#000000	##FFFFFF
##3659C0	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0967C4

Deuteranopia (green-blind)

#005ABE

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3659c0;
/* rgb */ color: rgb(54, 89, 192);
/* oklch */ color: oklch(49.8% 0.167 266.2);

Tailwind

colors: {
  custom: {
    50: '#7f87d4',
    500: '#3659c0',
    950: '#000000',
  },
}

SCSS

$custom: #3659c0;
$custom-light: #7f87d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3659c0",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 192
  },
  "hsl": {
    "h": 224.783,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49794,
    "c": 0.16663,
    "h": 266.2
  },
  "luminance": 0.11735
}

Semantic roles & 50–950 ramp

primary

#3659C0

secondary

#CBBA87

accent

#B948DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3659C0

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

Preview Lab → · Contrast checker → · Palette generator →