#3865EA#3865EA

#3865EA is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 55.5% C 0.207 H 265.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3865EA
RGB	rgb(56, 101, 234)
HSL	hsl(225, 81%, 57%)
HSV	hsv(225, 76%, 92%)
CMYK	cmyk(76.1%, 56.8%, 0%, 8.2%)
CIE-LAB	lab(47.09, 30.97, -71.56)
CIE-LCH	lch(47.09, 77.98, 293.40°)
OKLab	oklab(55.53% -0.0156 -0.2066)
OKLCH	oklch(55.53% 0.207 265.7)
XYZ	xyz(21.1306, 16.0862, 79.8172)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865EA #EABD38

analogous

#38BEEA #3865EA #6438EA

triadic

#3865EA #EA3865 #65EA38

tetradic

#3865EA #EA38BE #EABD38 #38EA64

square

#3865EA #EA38BE #EABD38 #38EA64

split-complementary

#3865EA #EA6438 #BEEA38

monochromatic

#103298 #1645CF #3865EA #6F90F0 #A7BBF6

Accessibility & contrast

On white

4.98

#3865EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3865EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865EA

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865EA	#FFFFFF	#000000	##FFFFFF
##3865EA	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EF

Deuteranopia (green-blind)

#0068E7

Tritanopia (blue-blind)

#00869E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3865ea;
/* rgb */ color: rgb(56, 101, 234);
/* oklch */ color: oklch(55.5% 0.207 265.7);

Tailwind

colors: {
  custom: {
    50: '#8890f2',
    500: '#3865ea',
    950: '#000000',
  },
}

SCSS

$custom: #3865ea;
$custom-light: #8890f2;
$custom-dark: #000000;

JSON

{
  "hex": "#3865ea",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 234
  },
  "hsl": {
    "h": 224.831,
    "s": 80.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5553,
    "c": 0.20719,
    "h": 265.7
  },
  "luminance": 0.16089
}

Semantic roles & 50–950 ramp

primary

#3865EA

secondary

#E3D19B

accent

#C530F7

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3865EA

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

Preview Lab → · Contrast checker → · Palette generator →