#3962BB#3962BB

#3962BB is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.4% C 0.148 H 263.5°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3962BB
RGB	rgb(57, 98, 187)
HSL	hsl(221, 53%, 48%)
HSV	hsv(221, 70%, 73%)
CMYK	cmyk(69.5%, 47.6%, 0%, 26.7%)
CIE-LAB	lab(43.05, 15.80, -51.20)
CIE-LCH	lch(43.05, 53.58, 287.15°)
OKLab	oklab(51.44% -0.0167 -0.1467)
OKLCH	oklch(51.44% 0.148 263.5)
XYZ	xyz(15.0215, 13.1916, 48.7586)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3962BB #BB9239

analogous

#39A3BB #3962BB #5139BB

triadic

#3962BB #BB3962 #62BB39

tetradic

#3962BB #BB39A3 #BB9239 #39BB51

square

#3962BB #BB39A3 #BB9239 #39BB51

split-complementary

#3962BB #BB5139 #A3BB39

monochromatic

#1C315D #2B498C #3962BB #6284CF #91A9DD

Accessibility & contrast

On white

5.77

#3962BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3962BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3962BB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3962BB	#FFFFFF	#000000	##FFFFFF
##3962BB	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336CBE

Deuteranopia (green-blind)

#1460B9

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3962bb;
/* rgb */ color: rgb(57, 98, 187);
/* oklch */ color: oklch(51.4% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#7f8ed0',
    500: '#3962bb',
    950: '#000000',
  },
}

SCSS

$custom: #3962bb;
$custom-light: #7f8ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3962bb",
  "rgb": {
    "r": 57,
    "g": 98,
    "b": 187
  },
  "hsl": {
    "h": 221.077,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51444,
    "c": 0.14769,
    "h": 263.5
  },
  "luminance": 0.13193
}

Semantic roles & 50–950 ramp

primary

#3962BB

secondary

#C8B487

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3962BB

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

Preview Lab → · Contrast checker → · Palette generator →