#3967C9#3967C9

#3967C9 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.161 H 263.1°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3967C9
RGB	rgb(57, 103, 201)
HSL	hsl(221, 57%, 51%)
HSV	hsv(221, 72%, 79%)
CMYK	cmyk(71.6%, 48.8%, 0%, 21.2%)
CIE-LAB	lab(45.34, 17.74, -55.62)
CIE-LCH	lch(45.34, 58.38, 287.69°)
OKLab	oklab(53.48% -0.0192 -0.1597)
OKLCH	oklch(53.48% 0.161 263.1)
XYZ	xyz(17.0765, 14.7856, 57.2010)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967C9 #C99B39

analogous

#39AFC9 #3967C9 #5339C9

triadic

#3967C9 #C93967 #67C939

tetradic

#3967C9 #C939AF #C99B39 #39C953

square

#3967C9 #C939AF #C99B39 #39C953

split-complementary

#3967C9 #C95339 #AFC939

monochromatic

#1D366B #2A4E9B #3967C9 #698CD6 #99B1E3

Accessibility & contrast

On white

5.31

#3967C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3967C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967C9

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967C9	#FFFFFF	#000000	##FFFFFF
##3967C9	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3072CD

Deuteranopia (green-blind)

#0065C7

Tritanopia (blue-blind)

#007E8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3967c9;
/* rgb */ color: rgb(57, 103, 201);
/* oklch */ color: oklch(53.5% 0.161 263.1);

Tailwind

colors: {
  custom: {
    50: '#8191da',
    500: '#3967c9',
    950: '#000000',
  },
}

SCSS

$custom: #3967c9;
$custom-light: #8191da;
$custom-dark: #000000;

JSON

{
  "hex": "#3967c9",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 201
  },
  "hsl": {
    "h": 220.833,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.53484,
    "c": 0.16081,
    "h": 263.1
  },
  "luminance": 0.14787
}

Semantic roles & 50–950 ramp

primary

#3967C9

secondary

#CFBA8F

accent

#B047E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967C9

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

Preview Lab → · Contrast checker → · Palette generator →