#3967C0#3967C0

#3967C0 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.9% C 0.149 H 262.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3967C0
RGB	rgb(57, 103, 192)
HSL	hsl(220, 54%, 49%)
HSV	hsv(220, 70%, 75%)
CMYK	cmyk(70.3%, 46.4%, 0%, 24.7%)
CIE-LAB	lab(44.77, 14.44, -51.35)
CIE-LCH	lch(44.77, 53.34, 285.70°)
OKLab	oklab(52.86% -0.0205 -0.1471)
OKLCH	oklch(52.86% 0.149 262.1)
XYZ	xyz(16.0486, 14.3745, 51.7877)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967C0 #C09239

analogous

#39ABC0 #3967C0 #4F39C0

triadic

#3967C0 #C03967 #67C039

tetradic

#3967C0 #C039AB #C09239 #39C04F

square

#3967C0 #C039AB #C09239 #39C04F

split-complementary

#3967C0 #C04F39 #ABC039

monochromatic

#1D3462 #2B4E91 #3967C0 #658AD1 #94AEDF

Accessibility & contrast

On white

5.42

#3967C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3967C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967C0

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967C0	#FFFFFF	#000000	##FFFFFF
##3967C0	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3971C3

Deuteranopia (green-blind)

#1C64BE

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3967c0;
/* rgb */ color: rgb(57, 103, 192);
/* oklch */ color: oklch(52.9% 0.149 262.1);

Tailwind

colors: {
  custom: {
    50: '#7f91d3',
    500: '#3967c0',
    950: '#000000',
  },
}

SCSS

$custom: #3967c0;
$custom-light: #7f91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3967c0",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 192
  },
  "hsl": {
    "h": 219.556,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5286,
    "c": 0.14853,
    "h": 262.1
  },
  "luminance": 0.14376
}

Semantic roles & 50–950 ramp

primary

#3967C0

secondary

#CBB58A

accent

#AB4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3967C0

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

Preview Lab → · Contrast checker → · Palette generator →