#3962C9#3962C9

#3962C9 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.4% C 0.167 H 264.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3962C9
RGB	rgb(57, 98, 201)
HSL	hsl(223, 57%, 51%)
HSV	hsv(223, 72%, 79%)
CMYK	cmyk(71.6%, 51.2%, 0%, 21.2%)
CIE-LAB	lab(43.97, 20.94, -57.82)
CIE-LCH	lch(43.97, 61.50, 289.91°)
OKLab	oklab(52.44% -0.015 -0.1662)
OKLCH	oklch(52.44% 0.167 264.9)
XYZ	xyz(16.5939, 13.8205, 57.0401)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3962C9 #C9A039

analogous

#39AAC9 #3962C9 #5839C9

triadic

#3962C9 #C93962 #62C939

tetradic

#3962C9 #C939AA #C9A039 #39C958

square

#3962C9 #C939AA #C9A039 #39C958

split-complementary

#3962C9 #C95839 #AAC939

monochromatic

#1D336B #2A4A9B #3962C9 #6988D6 #99AEE3

Accessibility & contrast

On white

5.58

#3962C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3962C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3962C9

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3962C9	#FFFFFF	#000000	##FFFFFF
##3962C9	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216FCD

Deuteranopia (green-blind)

#0062C7

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3962c9;
/* rgb */ color: rgb(57, 98, 201);
/* oklch */ color: oklch(52.4% 0.167 264.9);

Tailwind

colors: {
  custom: {
    50: '#818eda',
    500: '#3962c9',
    950: '#000000',
  },
}

SCSS

$custom: #3962c9;
$custom-light: #818eda;
$custom-dark: #000000;

JSON

{
  "hex": "#3962c9",
  "rgb": {
    "r": 57,
    "g": 98,
    "b": 201
  },
  "hsl": {
    "h": 222.917,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52444,
    "c": 0.1669,
    "h": 264.9
  },
  "luminance": 0.13822
}

Semantic roles & 50–950 ramp

primary

#3962C9

secondary

#CFBD8F

accent

#B547E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3962C9

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

Preview Lab → · Contrast checker → · Palette generator →