#3969C7#3969C7

#3969C7 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.156 H 262.2°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3969C7
RGB	rgb(57, 105, 199)
HSL	hsl(220, 56%, 50%)
HSV	hsv(220, 71%, 78%)
CMYK	cmyk(71.4%, 47.2%, 0%, 22%)
CIE-LAB	lab(45.76, 15.73, -53.79)
CIE-LCH	lch(45.76, 56.04, 286.30°)
OKLab	oklab(53.77% -0.0212 -0.1542)
OKLCH	oklch(53.77% 0.156 262.2)
XYZ	xyz(17.0440, 15.0947, 56.0371)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969C7 #C79739

analogous

#39B0C7 #3969C7 #5039C7

triadic

#3969C7 #C73969 #69C739

tetradic

#3969C7 #C739B0 #C79739 #39C750

square

#3969C7 #C739B0 #C79739 #39C750

split-complementary

#3969C7 #C75039 #B0C739

monochromatic

#1D3768 #2B5098 #3969C7 #698DD4 #98B1E2

Accessibility & contrast

On white

5.22

#3969C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3969C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969C7

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969C7	#FFFFFF	#000000	##FFFFFF
##3969C7	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3773CA

Deuteranopia (green-blind)

#1366C5

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3969c7;
/* rgb */ color: rgb(57, 105, 199);
/* oklch */ color: oklch(53.8% 0.156 262.2);

Tailwind

colors: {
  custom: {
    50: '#8193d9',
    500: '#3969c7',
    950: '#000000',
  },
}

SCSS

$custom: #3969c7;
$custom-light: #8193d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3969c7",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 199
  },
  "hsl": {
    "h": 219.718,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.53768,
    "c": 0.15568,
    "h": 262.2
  },
  "luminance": 0.15097
}

Semantic roles & 50–950 ramp

primary

#3969C7

secondary

#CEB88E

accent

#AC49DF

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3969C7

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

Preview Lab → · Contrast checker → · Palette generator →