#3962BC#3962BC

#3962BC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.5% C 0.149 H 263.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3962BC
RGB	rgb(57, 98, 188)
HSL	hsl(221, 53%, 48%)
HSV	hsv(221, 70%, 74%)
CMYK	cmyk(69.7%, 47.9%, 0%, 26.3%)
CIE-LAB	lab(43.11, 16.17, -51.68)
CIE-LCH	lch(43.11, 54.15, 287.37°)
OKLab	oklab(51.51% -0.0166 -0.1481)
OKLCH	oklch(51.51% 0.149 263.6)
XYZ	xyz(15.1289, 13.2345, 49.3244)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3962BC #BC9339

analogous

#39A3BC #3962BC #5139BC

triadic

#3962BC #BC3962 #62BC39

tetradic

#3962BC #BC39A3 #BC9339 #39BC51

square

#3962BC #BC39A3 #BC9339 #39BC51

split-complementary

#3962BC #BC5139 #A3BC39

monochromatic

#1D315E #2B4A8D #3962BC #6385D0 #92A9DE

Accessibility & contrast

On white

5.76

#3962BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3962BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3962BC

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3962BC	#FFFFFF	#000000	##FFFFFF
##3962BC	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326CBF

Deuteranopia (green-blind)

#1160BA

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3962bc;
/* rgb */ color: rgb(57, 98, 188);
/* oklch */ color: oklch(51.5% 0.149 263.6);

Tailwind

colors: {
  custom: {
    50: '#7f8ed1',
    500: '#3962bc',
    950: '#000000',
  },
}

SCSS

$custom: #3962bc;
$custom-light: #7f8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3962bc",
  "rgb": {
    "r": 57,
    "g": 98,
    "b": 188
  },
  "hsl": {
    "h": 221.221,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51513,
    "c": 0.14908,
    "h": 263.6
  },
  "luminance": 0.13236
}

Semantic roles & 50–950 ramp

primary

#3962BC

secondary

#C9B588

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3962BC

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

Preview Lab → · Contrast checker → · Palette generator →