#3969B2#3969B2

#3969B2 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.4% C 0.127 H 258.6°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3969B2
RGB	rgb(57, 105, 178)
HSL	hsl(216, 51%, 46%)
HSV	hsv(216, 68%, 70%)
CMYK	cmyk(68%, 41%, 0%, 30.2%)
CIE-LAB	lab(44.50, 8.06, -43.63)
CIE-LCH	lch(44.50, 44.37, 280.46°)
OKLab	oklab(52.38% -0.0251 -0.1244)
OKLCH	oklch(52.38% 0.127 258.6)
XYZ	xyz(14.7719, 14.1859, 44.0705)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969B2 #B28239

analogous

#39A5B2 #3969B2 #4539B2

triadic

#3969B2 #B23969 #69B239

tetradic

#3969B2 #B239A5 #B28239 #39B245

square

#3969B2 #B239A5 #B28239 #39B245

split-complementary

#3969B2 #B24539 #A5B239

monochromatic

#1B3255 #2A4E84 #3969B2 #5D89CB #8BABDA

Accessibility & contrast

On white

5.47

#3969B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3969B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969B2

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969B2	#FFFFFF	#000000	##FFFFFF
##3969B2	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)

#476FB5

Deuteranopia (green-blind)

#3564B1

Tritanopia (blue-blind)

#007A85

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3969b2;
/* rgb */ color: rgb(57, 105, 178);
/* oklch */ color: oklch(52.4% 0.127 258.6);

Tailwind

colors: {
  custom: {
    50: '#7d93c9',
    500: '#3969b2',
    950: '#000000',
  },
}

SCSS

$custom: #3969b2;
$custom-light: #7d93c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3969b2",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 178
  },
  "hsl": {
    "h": 216.198,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52384,
    "c": 0.1269,
    "h": 258.6
  },
  "luminance": 0.14187
}

Semantic roles & 50–950 ramp

primary

#3969B2

secondary

#C4AA82

accent

#A34DDB

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3969B2

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

Preview Lab → · Contrast checker → · Palette generator →