#3965C1#3965C1

#3965C1 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.152 H 263.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3965C1
RGB	rgb(57, 101, 193)
HSL	hsl(221, 54%, 49%)
HSV	hsv(221, 70%, 76%)
CMYK	cmyk(70.5%, 47.7%, 0%, 24.3%)
CIE-LAB	lab(44.27, 16.08, -52.72)
CIE-LCH	lch(44.27, 55.12, 286.96°)
OKLab	oklab(52.5% -0.0186 -0.1512)
OKLCH	oklch(52.5% 0.152 263)
XYZ	xyz(15.9632, 14.0258, 52.3077)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965C1 #C19539

analogous

#39A9C1 #3965C1 #5139C1

triadic

#3965C1 #C13965 #65C139

tetradic

#3965C1 #C139A9 #C19539 #39C151

square

#3965C1 #C139A9 #C19539 #39C151

split-complementary

#3965C1 #C15139 #A9C139

monochromatic

#1D3463 #2B4C92 #3965C1 #6689D2 #95ADE0

Accessibility & contrast

On white

5.52

#3965C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3965C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965C1

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965C1	#FFFFFF	#000000	##FFFFFF
##3965C1	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346FC4

Deuteranopia (green-blind)

#1163BF

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3965c1;
/* rgb */ color: rgb(57, 101, 193);
/* oklch */ color: oklch(52.5% 0.152 263.0);

Tailwind

colors: {
  custom: {
    50: '#8090d4',
    500: '#3965c1',
    950: '#000000',
  },
}

SCSS

$custom: #3965c1;
$custom-light: #8090d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3965c1",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 193
  },
  "hsl": {
    "h": 220.588,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52501,
    "c": 0.15232,
    "h": 263
  },
  "luminance": 0.14027
}

Semantic roles & 50–950 ramp

primary

#3965C1

secondary

#CBB68B

accent

#AE4ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3965C1

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

Preview Lab → · Contrast checker → · Palette generator →