#3B63E7#3B63E7

#3B63E7 is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.0% C 0.205 H 266.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3B63E7
RGB	rgb(59, 99, 231)
HSL	hsl(226, 78%, 57%)
HSV	hsv(226, 74%, 91%)
CMYK	cmyk(74.5%, 57.1%, 0%, 9.4%)
CIE-LAB	lab(46.47, 31.47, -70.87)
CIE-LCH	lch(46.47, 77.54, 293.94°)
OKLab	oklab(55.03% -0.012 -0.2045)
OKLCH	oklch(55.03% 0.205 266.6)
XYZ	xyz(20.6842, 15.6207, 77.5108)
Luminance	0.1562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63E7 #E7BF3B

analogous

#3BB9E7 #3B63E7 #693BE7

triadic

#3B63E7 #E73B63 #63E73B

tetradic

#3B63E7 #E73BB9 #E7BF3B #3BE769

square

#3B63E7 #E73BB9 #E7BF3B #3BE769

split-complementary

#3B63E7 #E7693B #B9E73B

monochromatic

#123195 #1943CC #3B63E7 #728EEE #A8BAF4

Accessibility & contrast

On white

5.09

#3B63E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#3B63E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63E7

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63E7	#FFFFFF	#000000	##FFFFFF
##3B63E7	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EB

Deuteranopia (green-blind)

#0066E4

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3b63e7;
/* rgb */ color: rgb(59, 99, 231);
/* oklch */ color: oklch(55.0% 0.205 266.6);

Tailwind

colors: {
  custom: {
    50: '#888ef0',
    500: '#3b63e7',
    950: '#000000',
  },
}

SCSS

$custom: #3b63e7;
$custom-light: #888ef0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63e7",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 231
  },
  "hsl": {
    "h": 226.047,
    "s": 78.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55031,
    "c": 0.20489,
    "h": 266.6
  },
  "luminance": 0.15623
}

Semantic roles & 50–950 ramp

primary

#3B63E7

secondary

#E2D29C

accent

#C833F5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3B63E7

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

Preview Lab → · Contrast checker → · Palette generator →