#3869B9#3869B9

#3869B9 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.8% C 0.137 H 259.7°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3869B9
RGB	rgb(56, 105, 185)
HSL	hsl(217, 54%, 47%)
HSV	hsv(217, 70%, 73%)
CMYK	cmyk(69.7%, 43.2%, 0%, 27.5%)
CIE-LAB	lab(44.86, 10.45, -47.13)
CIE-LCH	lch(44.86, 48.28, 282.50°)
OKLab	oklab(52.79% -0.0244 -0.1347)
OKLCH	oklch(52.79% 0.137 259.7)
XYZ	xyz(15.4363, 14.4451, 47.8642)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3869B9 #B98838

analogous

#38AAB9 #3869B9 #4738B9

triadic

#3869B9 #B93869 #69B938

tetradic

#3869B9 #B938AA #B98838 #38B947

square

#3869B9 #B938AA #B98838 #38B947

split-complementary

#3869B9 #B94738 #AAB938

monochromatic

#1C345B #2A4E8A #3869B9 #5F8ACF #8EACDD

Accessibility & contrast

On white

5.40

#3869B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3869B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3869B9

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3869B9	#FFFFFF	#000000	##FFFFFF
##3869B9	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4371BC

Deuteranopia (green-blind)

#2C65B7

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3869b9;
/* rgb */ color: rgb(56, 105, 185);
/* oklch */ color: oklch(52.8% 0.137 259.7);

Tailwind

colors: {
  custom: {
    50: '#7e93ce',
    500: '#3869b9',
    950: '#000000',
  },
}

SCSS

$custom: #3869b9;
$custom-light: #7e93ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3869b9",
  "rgb": {
    "r": 56,
    "g": 105,
    "b": 185
  },
  "hsl": {
    "h": 217.209,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.52788,
    "c": 0.13688,
    "h": 259.7
  },
  "luminance": 0.14447
}

Semantic roles & 50–950 ramp

primary

#3869B9

secondary

#C8AE85

accent

#A54BDD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3869B9

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

Preview Lab → · Contrast checker → · Palette generator →