#3B63E9#3B63E9

#3B63E9 is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.2% C 0.207 H 266.7°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B63E9
RGB	rgb(59, 99, 233)
HSL	hsl(226, 80%, 57%)
HSV	hsv(226, 75%, 91%)
CMYK	cmyk(74.7%, 57.5%, 0%, 8.6%)
CIE-LAB	lab(46.62, 32.19, -71.75)
CIE-LCH	lch(46.62, 78.64, 294.16°)
OKLab	oklab(55.19% -0.012 -0.2071)
OKLCH	oklch(55.19% 0.207 266.7)
XYZ	xyz(20.9683, 15.7344, 79.0069)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B63E9 #E9C13B

analogous

#3BBAE9 #3B63E9 #6A3BE9

triadic

#3B63E9 #E93B63 #63E93B

tetradic

#3B63E9 #E93BBA #E9C13B #3BE96A

square

#3B63E9 #E93BBA #E9C13B #3BE96A

split-complementary

#3B63E9 #E96A3B #BAE93B

monochromatic

#113098 #1742D0 #3B63E9 #728FEF #A9BBF5

Accessibility & contrast

On white

5.06

#3B63E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3B63E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B63E9

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B63E9	#FFFFFF	#000000	##FFFFFF
##3B63E9	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077EE

Deuteranopia (green-blind)

#0067E6

Tritanopia (blue-blind)

#00859C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3b63e9;
/* rgb */ color: rgb(59, 99, 233);
/* oklch */ color: oklch(55.2% 0.207 266.7);

Tailwind

colors: {
  custom: {
    50: '#898ff1',
    500: '#3b63e9',
    950: '#000000',
  },
}

SCSS

$custom: #3b63e9;
$custom-light: #898ff1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b63e9",
  "rgb": {
    "r": 59,
    "g": 99,
    "b": 233
  },
  "hsl": {
    "h": 226.207,
    "s": 79.817,
    "l": 57.255
  },
  "oklch": {
    "l": 0.55192,
    "c": 0.20747,
    "h": 266.7
  },
  "luminance": 0.15737
}

Semantic roles & 50–950 ramp

primary

#3B63E9

secondary

#E3D39D

accent

#C932F6

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3B63E9

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

Preview Lab → · Contrast checker → · Palette generator →