#3865CA#3865CA

#3865CA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.165 H 263.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3865CA
RGB	rgb(56, 101, 202)
HSL	hsl(222, 58%, 51%)
HSV	hsv(222, 72%, 79%)
CMYK	cmyk(72.3%, 50%, 0%, 20.8%)
CIE-LAB	lab(44.82, 19.25, -57.04)
CIE-LCH	lch(44.82, 60.20, 288.65°)
OKLab	oklab(53.1% -0.0182 -0.1639)
OKLCH	oklch(53.1% 0.165 263.7)
XYZ	xyz(16.9415, 14.4106, 57.7543)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865CA #CA9D38

analogous

#38AECA #3865CA #5438CA

triadic

#3865CA #CA3865 #65CA38

tetradic

#3865CA #CA38AE #CA9D38 #38CA54

square

#3865CA #CA38AE #CA9D38 #38CA54

split-complementary

#3865CA #CA5438 #AECA38

monochromatic

#1D356B #294D9B #3865CA #688AD7 #99B0E4

Accessibility & contrast

On white

5.41

#3865CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3865CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865CA

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865CA	#FFFFFF	#000000	##FFFFFF
##3865CA	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2971CE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3865ca;
/* rgb */ color: rgb(56, 101, 202);
/* oklch */ color: oklch(53.1% 0.165 263.7);

Tailwind

colors: {
  custom: {
    50: '#8190db',
    500: '#3865ca',
    950: '#000000',
  },
}

SCSS

$custom: #3865ca;
$custom-light: #8190db;
$custom-dark: #000000;

JSON

{
  "hex": "#3865ca",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 202
  },
  "hsl": {
    "h": 221.507,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.53095,
    "c": 0.1649,
    "h": 263.7
  },
  "luminance": 0.14412
}

Semantic roles & 50–950 ramp

primary

#3865CA

secondary

#CFBB8E

accent

#B247E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3865CA

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

Preview Lab → · Contrast checker → · Palette generator →