#3967B5#3967B5

#3967B5 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.1% C 0.133 H 260.3°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3967B5
RGB	rgb(57, 103, 181)
HSL	hsl(218, 52%, 47%)
HSV	hsv(218, 69%, 71%)
CMYK	cmyk(68.5%, 43.1%, 0%, 29%)
CIE-LAB	lab(44.10, 10.41, -46.03)
CIE-LCH	lch(44.10, 47.19, 282.75°)
OKLab	oklab(52.13% -0.0225 -0.1314)
OKLCH	oklch(52.13% 0.133 260.3)
XYZ	xyz(14.8751, 13.9050, 45.6071)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967B5 #B58739

analogous

#39A5B5 #3967B5 #4939B5

triadic

#3967B5 #B53967 #67B539

tetradic

#3967B5 #B539A5 #B58739 #39B549

square

#3967B5 #B539A5 #B58739 #39B549

split-complementary

#3967B5 #B54939 #A5B539

monochromatic

#1C3258 #2A4D86 #3967B5 #5F87CD #8DAADB

Accessibility & contrast

On white

5.55

#3967B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3967B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967B5

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967B5	#FFFFFF	#000000	##FFFFFF
##3967B5	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426EB8

Deuteranopia (green-blind)

#2D63B3

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3967b5;
/* rgb */ color: rgb(57, 103, 181);
/* oklch */ color: oklch(52.1% 0.133 260.3);

Tailwind

colors: {
  custom: {
    50: '#7d91cb',
    500: '#3967b5',
    950: '#000000',
  },
}

SCSS

$custom: #3967b5;
$custom-light: #7d91cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3967b5",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 181
  },
  "hsl": {
    "h": 217.742,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52129,
    "c": 0.13336,
    "h": 260.3
  },
  "luminance": 0.13907
}

Semantic roles & 50–950 ramp

primary

#3967B5

secondary

#C6AD84

accent

#A64CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3967B5

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

Preview Lab → · Contrast checker → · Palette generator →