#3864AA#3864AA

#3864AA is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.7% C 0.122 H 259.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3864AA
RGB	rgb(56, 100, 170)
HSL	hsl(217, 50%, 44%)
HSV	hsv(217, 67%, 67%)
CMYK	cmyk(67.1%, 41.2%, 0%, 33.3%)
CIE-LAB	lab(42.55, 8.15, -42.05)
CIE-LCH	lch(42.55, 42.84, 280.96°)
OKLab	oklab(50.71% -0.0226 -0.1198)
OKLCH	oklch(50.71% 0.122 259.3)
XYZ	xyz(13.4412, 12.8560, 39.7955)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3864AA #AA7E38

analogous

#389DAA #3864AA #4538AA

triadic

#3864AA #AA3864 #64AA38

tetradic

#3864AA #AA389D #AA7E38 #38AA45

square

#3864AA #AA389D #AA7E38 #38AA45

split-complementary

#3864AA #AA4538 #9DAA38

monochromatic

#1A2E4E #29497C #3864AA #5783C8 #85A5D7

Accessibility & contrast

On white

5.88

#3864AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3864AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3864AA

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3864AA	#FFFFFF	#000000	##FFFFFF
##3864AA	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446AAD

Deuteranopia (green-blind)

#3360A9

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3864aa;
/* rgb */ color: rgb(56, 100, 170);
/* oklch */ color: oklch(50.7% 0.122 259.3);

Tailwind

colors: {
  custom: {
    50: '#7b8fc4',
    500: '#3864aa',
    950: '#000000',
  },
}

SCSS

$custom: #3864aa;
$custom-light: #7b8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3864aa",
  "rgb": {
    "r": 56,
    "g": 100,
    "b": 170
  },
  "hsl": {
    "h": 216.842,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5071,
    "c": 0.12197,
    "h": 259.3
  },
  "luminance": 0.12857
}

Semantic roles & 50–950 ramp

primary

#3864AA

secondary

#C1A77D

accent

#A44EDA

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3864AA

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

Preview Lab → · Contrast checker → · Palette generator →