#3961C1#3961C1

#3961C1 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.7% C 0.157 H 264.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3961C1
RGB	rgb(57, 97, 193)
HSL	hsl(222, 54%, 49%)
HSV	hsv(222, 70%, 76%)
CMYK	cmyk(70.5%, 49.7%, 0%, 24.3%)
CIE-LAB	lab(43.16, 18.65, -54.51)
CIE-LCH	lch(43.16, 57.61, 288.89°)
OKLab	oklab(51.66% -0.015 -0.1565)
OKLCH	oklch(51.66% 0.157 264.5)
XYZ	xyz(15.5843, 13.2679, 52.1814)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961C1 #C19939

analogous

#39A5C1 #3961C1 #5539C1

triadic

#3961C1 #C13961 #61C139

tetradic

#3961C1 #C139A5 #C19939 #39C155

square

#3961C1 #C139A5 #C19939 #39C155

split-complementary

#3961C1 #C15539 #A5C139

monochromatic

#1D3263 #2B4992 #3961C1 #6685D2 #95ABE0

Accessibility & contrast

On white

5.75

#3961C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3961C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961C1

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961C1	#FFFFFF	#000000	##FFFFFF
##3961C1	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6DC4

Deuteranopia (green-blind)

#0060BF

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3961c1;
/* rgb */ color: rgb(57, 97, 193);
/* oklch */ color: oklch(51.7% 0.157 264.5);

Tailwind

colors: {
  custom: {
    50: '#808dd4',
    500: '#3961c1',
    950: '#000000',
  },
}

SCSS

$custom: #3961c1;
$custom-light: #808dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3961c1",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 193
  },
  "hsl": {
    "h": 222.353,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51656,
    "c": 0.1572,
    "h": 264.5
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary

#3961C1

secondary

#CBB88B

accent

#B24ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3961C1

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

Preview Lab → · Contrast checker → · Palette generator →