#3965AC#3965AC

#3965AC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.1% C 0.123 H 259.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3965AC
RGB	rgb(57, 101, 172)
HSL	hsl(217, 50%, 45%)
HSV	hsv(217, 67%, 67%)
CMYK	cmyk(66.9%, 41.3%, 0%, 32.5%)
CIE-LAB	lab(42.99, 8.41, -42.51)
CIE-LCH	lch(42.99, 43.34, 281.19°)
OKLab	oklab(51.11% -0.0224 -0.1212)
OKLCH	oklch(51.11% 0.123 259.5)
XYZ	xyz(13.7848, 13.1544, 40.8343)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965AC #AC8039

analogous

#399FAC #3965AC #4639AC

triadic

#3965AC #AC3965 #65AC39

tetradic

#3965AC #AC399F #AC8039 #39AC46

square

#3965AC #AC399F #AC8039 #39AC46

split-complementary

#3965AC #AC4639 #9FAC39

monochromatic

#1B2F50 #2A4A7E #3965AC #5A84C8 #88A6D8

Accessibility & contrast

On white

5.78

#3965AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3965AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965AC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965AC	#FFFFFF	#000000	##FFFFFF
##3965AC	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456BAF

Deuteranopia (green-blind)

#3361AB

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3965ac;
/* rgb */ color: rgb(57, 101, 172);
/* oklch */ color: oklch(51.1% 0.123 259.5);

Tailwind

colors: {
  custom: {
    50: '#7c90c5',
    500: '#3965ac',
    950: '#000000',
  },
}

SCSS

$custom: #3965ac;
$custom-light: #7c90c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3965ac",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 172
  },
  "hsl": {
    "h": 217.043,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51107,
    "c": 0.12322,
    "h": 259.5
  },
  "luminance": 0.13156
}

Semantic roles & 50–950 ramp

primary

#3965AC

secondary

#C2A87F

accent

#A44EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3965AC

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

Preview Lab → · Contrast checker → · Palette generator →