#3967B7#3967B7

#3967B7 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.136 H 260.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3967B7
RGB	rgb(57, 103, 183)
HSL	hsl(218, 53%, 47%)
HSV	hsv(218, 69%, 72%)
CMYK	cmyk(68.9%, 43.7%, 0%, 28.2%)
CIE-LAB	lab(44.22, 11.14, -47.00)
CIE-LCH	lch(44.22, 48.31, 283.34°)
OKLab	oklab(52.26% -0.0221 -0.1343)
OKLCH	oklch(52.26% 0.136 260.6)
XYZ	xyz(15.0818, 13.9877, 46.6956)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967B7 #B78939

analogous

#39A6B7 #3967B7 #4A39B7

triadic

#3967B7 #B73967 #67B739

tetradic

#3967B7 #B739A6 #B78939 #39B74A

square

#3967B7 #B739A6 #B78939 #39B74A

split-complementary

#3967B7 #B74A39 #A6B739

monochromatic

#1C325A #2A4D88 #3967B7 #6088CD #8EABDC

Accessibility & contrast

On white

5.53

#3967B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3967B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967B7

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967B7	#FFFFFF	#000000	##FFFFFF
##3967B7	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406FBA

Deuteranopia (green-blind)

#2B63B5

Tritanopia (blue-blind)

#007A86

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3967b7;
/* rgb */ color: rgb(57, 103, 183);
/* oklch */ color: oklch(52.3% 0.136 260.6);

Tailwind

colors: {
  custom: {
    50: '#7e91cd',
    500: '#3967b7',
    950: '#000000',
  },
}

SCSS

$custom: #3967b7;
$custom-light: #7e91cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3967b7",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 183
  },
  "hsl": {
    "h": 218.095,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52259,
    "c": 0.13613,
    "h": 260.6
  },
  "luminance": 0.13989
}

Semantic roles & 50–950 ramp

primary

#3967B7

secondary

#C7AF85

accent

#A74CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3967B7

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

Preview Lab → · Contrast checker → · Palette generator →