#3651C4#3651C4

#3651C4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.5% C 0.182 H 268.6°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3651C4
RGB	rgb(54, 81, 196)
HSL	hsl(229, 57%, 49%)
HSV	hsv(229, 72%, 77%)
CMYK	cmyk(72.4%, 58.7%, 0%, 23.1%)
CIE-LAB	lab(38.99, 29.67, -63.02)
CIE-LCH	lch(38.99, 69.66, 295.21°)
OKLab	oklab(48.54% -0.0045 -0.1818)
OKLCH	oklch(48.54% 0.182 268.6)
XYZ	xyz(14.4241, 10.6531, 53.5099)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3651C4 #C4A936

analogous

#3698C4 #3651C4 #6236C4

triadic

#3651C4 #C43651 #51C436

tetradic

#3651C4 #C43698 #C4A936 #36C462

square

#3651C4 #C43698 #C4A936 #36C462

split-complementary

#3651C4 #C46236 #98C436

monochromatic

#1C2964 #293D94 #3651C4 #6379D4 #93A2E1

Accessibility & contrast

On white

6.71

#3651C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3651C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3651C4

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3651C4	#FFFFFF	#000000	##FFFFFF
##3651C4	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3651c4;
/* rgb */ color: rgb(54, 81, 196);
/* oklch */ color: oklch(48.5% 0.182 268.6);

Tailwind

colors: {
  custom: {
    50: '#8081d7',
    500: '#3651c4',
    950: '#000000',
  },
}

SCSS

$custom: #3651c4;
$custom-light: #8081d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3651c4",
  "rgb": {
    "r": 54,
    "g": 81,
    "b": 196
  },
  "hsl": {
    "h": 228.592,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48538,
    "c": 0.18188,
    "h": 268.6
  },
  "luminance": 0.10655
}

Semantic roles & 50–950 ramp

primary

#3651C4

secondary

#CCC089

accent

#C348E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3651C4

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

Preview Lab → · Contrast checker → · Palette generator →