#3653D9#3653D9

#3653D9 is a mid, highly saturated blue. Relative luminance 0.120; OKLCH L 50.7% C 0.207 H 268.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3653D9
RGB	rgb(54, 83, 217)
HSL	hsl(229, 68%, 53%)
HSV	hsv(229, 75%, 85%)
CMYK	cmyk(75.1%, 61.8%, 0%, 14.9%)
CIE-LAB	lab(41.18, 35.98, -71.56)
CIE-LCH	lch(41.18, 80.09, 296.69°)
OKLab	oklab(50.69% -0.0059 -0.2068)
OKLCH	oklch(50.69% 0.207 268.4)
XYZ	xyz(17.1346, 11.9787, 67.0413)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3653D9 #D9BC36

analogous

#36A4D9 #3653D9 #6A36D9

triadic

#3653D9 #D93653 #53D936

tetradic

#3653D9 #D936A4 #D9BC36 #36D96A

square

#3653D9 #D936A4 #D9BC36 #36D96A

split-complementary

#3653D9 #D96A36 #A4D936

monochromatic

#182A7D #213BB0 #3653D9 #697FE3 #9DABEC

Accessibility & contrast

On white

6.18

#3653D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#3653D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3653D9

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3653D9	#FFFFFF	#000000	##FFFFFF
##3653D9	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DD

Deuteranopia (green-blind)

#005AD6

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3653d9;
/* rgb */ color: rgb(54, 83, 217);
/* oklch */ color: oklch(50.7% 0.207 268.4);

Tailwind

colors: {
  custom: {
    50: '#8583e6',
    500: '#3653d9',
    950: '#000000',
  },
}

SCSS

$custom: #3653d9;
$custom-light: #8583e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3653d9",
  "rgb": {
    "r": 54,
    "g": 83,
    "b": 217
  },
  "hsl": {
    "h": 229.325,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50692,
    "c": 0.20693,
    "h": 268.4
  },
  "luminance": 0.11981
}

Semantic roles & 50–950 ramp

primary

#3653D9

secondary

#D9CC92

accent

#CC3DEB

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3653D9

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

Preview Lab → · Contrast checker → · Palette generator →