#3961AC#3961AC

#3961AC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.2% C 0.128 H 261.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3961AC
RGB	rgb(57, 97, 172)
HSL	hsl(219, 50%, 45%)
HSV	hsv(219, 67%, 67%)
CMYK	cmyk(66.9%, 43.6%, 0%, 32.5%)
CIE-LAB	lab(41.84, 10.96, -44.36)
CIE-LCH	lch(41.84, 45.69, 283.88°)
OKLab	oklab(50.21% -0.0183 -0.1266)
OKLCH	oklch(50.21% 0.128 261.8)
XYZ	xyz(13.4058, 12.3965, 40.7080)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961AC #AC8439

analogous

#399BAC #3961AC #4A39AC

triadic

#3961AC #AC3961 #61AC39

tetradic

#3961AC #AC399B #AC8439 #39AC4A

square

#3961AC #AC399B #AC8439 #39AC4A

split-complementary

#3961AC #AC4A39 #9BAC39

monochromatic

#1B2D50 #2A477E #3961AC #5A80C8 #88A4D8

Accessibility & contrast

On white

6.04

#3961AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3961AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961AC

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961AC	#FFFFFF	#000000	##FFFFFF
##3961AC	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E68AF

Deuteranopia (green-blind)

#2B5EAA

Tritanopia (blue-blind)

#00727E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3961ac;
/* rgb */ color: rgb(57, 97, 172);
/* oklch */ color: oklch(50.2% 0.128 261.8);

Tailwind

colors: {
  custom: {
    50: '#7c8dc5',
    500: '#3961ac',
    950: '#000000',
  },
}

SCSS

$custom: #3961ac;
$custom-light: #7c8dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3961ac",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 172
  },
  "hsl": {
    "h": 219.13,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50214,
    "c": 0.12796,
    "h": 261.8
  },
  "luminance": 0.12398
}

Semantic roles & 50–950 ramp

primary

#3961AC

secondary

#C2AB7F

accent

#A94EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3961AC

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

Preview Lab → · Contrast checker → · Palette generator →