#3969BC#3969BC

#3969BC is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.0% C 0.141 H 260.6°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3969BC
RGB	rgb(57, 105, 188)
HSL	hsl(218, 53%, 48%)
HSV	hsv(218, 70%, 74%)
CMYK	cmyk(69.7%, 44.1%, 0%, 26.3%)
CIE-LAB	lab(45.08, 11.70, -48.52)
CIE-LCH	lch(45.08, 49.91, 283.56°)
OKLab	oklab(53.03% -0.0231 -0.1388)
OKLCH	oklch(53.03% 0.141 260.6)
XYZ	xyz(15.8128, 14.6022, 49.5524)
Luminance	0.1460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969BC #BC8C39

analogous

#39AABC #3969BC #4A39BC

triadic

#3969BC #BC3969 #69BC39

tetradic

#3969BC #BC39AA #BC8C39 #39BC4A

square

#3969BC #BC39AA #BC8C39 #39BC4A

split-complementary

#3969BC #BC4A39 #AABC39

monochromatic

#1D355E #2B4F8D #3969BC #638BD0 #92AEDE

Accessibility & contrast

On white

5.36

#3969BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3969BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969BC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969BC	#FFFFFF	#000000	##FFFFFF
##3969BC	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4071BF

Deuteranopia (green-blind)

#2965BA

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3969bc;
/* rgb */ color: rgb(57, 105, 188);
/* oklch */ color: oklch(53.0% 0.141 260.6);

Tailwind

colors: {
  custom: {
    50: '#7f93d1',
    500: '#3969bc',
    950: '#000000',
  },
}

SCSS

$custom: #3969bc;
$custom-light: #7f93d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3969bc",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 188
  },
  "hsl": {
    "h": 218.015,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53027,
    "c": 0.14066,
    "h": 260.6
  },
  "luminance": 0.14604
}

Semantic roles & 50–950 ramp

primary

#3969BC

secondary

#C9B188

accent

#A74BDD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3969BC

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

Preview Lab → · Contrast checker → · Palette generator →