#3969CE#3969CE

#3969CE is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.3% C 0.165 H 263.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3969CE
RGB	rgb(57, 105, 206)
HSL	hsl(221, 60%, 52%)
HSV	hsv(221, 72%, 81%)
CMYK	cmyk(72.3%, 49%, 0%, 19.2%)
CIE-LAB	lab(46.21, 18.30, -57.08)
CIE-LCH	lch(46.21, 59.94, 287.78°)
OKLab	oklab(54.26% -0.0202 -0.1639)
OKLCH	oklch(54.26% 0.165 263)
XYZ	xyz(17.8755, 15.4273, 60.4162)
Luminance	0.1543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969CE #CE9E39

analogous

#39B4CE #3969CE #5439CE

triadic

#3969CE #CE3969 #69CE39

tetradic

#3969CE #CE39B4 #CE9E39 #39CE54

square

#3969CE #CE39B4 #CE9E39 #39CE54

split-complementary

#3969CE #CE5439 #B4CE39

monochromatic

#1C3771 #284FA2 #3969CE #6A8EDA #9BB3E6

Accessibility & contrast

On white

5.14

#3969CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#3969CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969CE

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969CE	#FFFFFF	#000000	##FFFFFF
##3969CE	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F75D2

Deuteranopia (green-blind)

#0067CC

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3969ce;
/* rgb */ color: rgb(57, 105, 206);
/* oklch */ color: oklch(54.3% 0.165 263.0);

Tailwind

colors: {
  custom: {
    50: '#8293de',
    500: '#3969ce',
    950: '#000000',
  },
}

SCSS

$custom: #3969ce;
$custom-light: #8293de;
$custom-dark: #000000;

JSON

{
  "hex": "#3969ce",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 206
  },
  "hsl": {
    "h": 220.671,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54257,
    "c": 0.16517,
    "h": 263
  },
  "luminance": 0.15429
}

Semantic roles & 50–950 ramp

primary

#3969CE

secondary

#D2BD91

accent

#B044E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3969CE

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

Preview Lab → · Contrast checker → · Palette generator →