#3656D9#3656D9

#3656D9 is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.2% C 0.203 H 267.8°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3656D9
RGB	rgb(54, 86, 217)
HSL	hsl(228, 68%, 53%)
HSV	hsv(228, 75%, 85%)
CMYK	cmyk(75.1%, 60.4%, 0%, 14.9%)
CIE-LAB	lab(41.92, 34.09, -70.35)
CIE-LCH	lch(41.92, 78.18, 295.85°)
OKLab	oklab(51.24% -0.0078 -0.2033)
OKLCH	oklch(51.24% 0.203 267.8)
XYZ	xyz(17.3691, 12.4477, 67.1194)
Luminance	0.1245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3656D9 #D9B936

analogous

#36A7D9 #3656D9 #6736D9

triadic

#3656D9 #D93656 #56D936

tetradic

#3656D9 #D936A7 #D9B936 #36D967

square

#3656D9 #D936A7 #D9B936 #36D967

split-complementary

#3656D9 #D96736 #A7D936

monochromatic

#182C7D #213DB0 #3656D9 #6981E3 #9DADEC

Accessibility & contrast

On white

6.02

#3656D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3656D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3656D9

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3656D9	#FFFFFF	#000000	##FFFFFF
##3656D9	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDD

Deuteranopia (green-blind)

#005BD6

Tritanopia (blue-blind)

#00788F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3656d9;
/* rgb */ color: rgb(54, 86, 217);
/* oklch */ color: oklch(51.2% 0.203 267.8);

Tailwind

colors: {
  custom: {
    50: '#8485e6',
    500: '#3656d9',
    950: '#000000',
  },
}

SCSS

$custom: #3656d9;
$custom-light: #8485e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3656d9",
  "rgb": {
    "r": 54,
    "g": 86,
    "b": 217
  },
  "hsl": {
    "h": 228.221,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51238,
    "c": 0.20344,
    "h": 267.8
  },
  "luminance": 0.1245
}

Semantic roles & 50–950 ramp

primary

#3656D9

secondary

#D9CB92

accent

#C93DEB

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3656D9

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

Preview Lab → · Contrast checker → · Palette generator →