#3967CE#3967CE

#3967CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.168 H 263.6°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3967CE
RGB	rgb(57, 103, 206)
HSL	hsl(221, 60%, 52%)
HSV	hsv(221, 72%, 81%)
CMYK	cmyk(72.3%, 50%, 0%, 19.2%)
CIE-LAB	lab(45.67, 19.58, -57.96)
CIE-LCH	lch(45.67, 61.18, 288.66°)
OKLab	oklab(53.84% -0.0186 -0.1665)
OKLCH	oklch(53.84% 0.168 263.6)
XYZ	xyz(17.6742, 15.0247, 60.3491)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967CE #CEA039

analogous

#39B1CE #3967CE #5639CE

triadic

#3967CE #CE3967 #67CE39

tetradic

#3967CE #CE39B1 #CEA039 #39CE56

square

#3967CE #CE39B1 #CEA039 #39CE56

split-complementary

#3967CE #CE5639 #B1CE39

monochromatic

#1C3671 #284EA2 #3967CE #6A8DDA #9BB2E6

Accessibility & contrast

On white

5.24

#3967CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3967CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967CE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967CE	#FFFFFF	#000000	##FFFFFF
##3967CE	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2973D2

Deuteranopia (green-blind)

#0066CC

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3967ce;
/* rgb */ color: rgb(57, 103, 206);
/* oklch */ color: oklch(53.8% 0.168 263.6);

Tailwind

colors: {
  custom: {
    50: '#8291de',
    500: '#3967ce',
    950: '#000000',
  },
}

SCSS

$custom: #3967ce;
$custom-light: #8291de;
$custom-dark: #000000;

JSON

{
  "hex": "#3967ce",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 206
  },
  "hsl": {
    "h": 221.477,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5384,
    "c": 0.16758,
    "h": 263.6
  },
  "luminance": 0.15027
}

Semantic roles & 50–950 ramp

primary

#3967CE

secondary

#D2BE91

accent

#B244E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967CE

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

Preview Lab → · Contrast checker → · Palette generator →