#3869B3#3869B3

#3869B3 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.4% C 0.129 H 258.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3869B3
RGB	rgb(56, 105, 179)
HSL	hsl(216, 52%, 46%)
HSV	hsv(216, 69%, 70%)
CMYK	cmyk(68.7%, 41.3%, 0%, 29.8%)
CIE-LAB	lab(44.51, 8.26, -44.20)
CIE-LCH	lch(44.51, 44.96, 280.58°)
OKLab	oklab(52.4% -0.0257 -0.1261)
OKLCH	oklch(52.4% 0.129 258.5)
XYZ	xyz(14.8162, 14.1971, 44.5986)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3869B3 #B38238

analogous

#38A6B3 #3869B3 #4538B3

triadic

#3869B3 #B33869 #69B338

tetradic

#3869B3 #B338A6 #B38238 #38B345

square

#3869B3 #B338A6 #B38238 #38B345

split-complementary

#3869B3 #B34538 #A6B338

monochromatic

#1B3256 #294E84 #3869B3 #5C89CC #8BABDB

Accessibility & contrast

On white

5.47

#3869B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3869B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3869B3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3869B3	#FFFFFF	#000000	##FFFFFF
##3869B3	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476FB6

Deuteranopia (green-blind)

#3364B1

Tritanopia (blue-blind)

#007A85

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3869b3;
/* rgb */ color: rgb(56, 105, 179);
/* oklch */ color: oklch(52.4% 0.129 258.5);

Tailwind

colors: {
  custom: {
    50: '#7c93ca',
    500: '#3869b3',
    950: '#000000',
  },
}

SCSS

$custom: #3869b3;
$custom-light: #7c93ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3869b3",
  "rgb": {
    "r": 56,
    "g": 105,
    "b": 179
  },
  "hsl": {
    "h": 216.098,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52403,
    "c": 0.12865,
    "h": 258.5
  },
  "luminance": 0.14199
}

Semantic roles & 50–950 ramp

primary

#3869B3

secondary

#C5AA82

accent

#A34CDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3869B3

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

Preview Lab → · Contrast checker → · Palette generator →