#3960AB#3960AB

#3960AB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 49.9% C 0.128 H 262.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3960AB
RGB	rgb(57, 96, 171)
HSL	hsl(219, 50%, 45%)
HSV	hsv(219, 67%, 67%)
CMYK	cmyk(66.7%, 43.9%, 0%, 32.9%)
CIE-LAB	lab(41.49, 11.24, -44.32)
CIE-LCH	lch(41.49, 45.72, 284.23°)
OKLab	oklab(49.93% -0.0175 -0.1265)
OKLCH	oklch(49.93% 0.128 262.1)
XYZ	xyz(13.2183, 12.1746, 40.1735)
Luminance	0.1218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960AB #AB8439

analogous

#3999AB #3960AB #4B39AB

triadic

#3960AB #AB3960 #60AB39

tetradic

#3960AB #AB3999 #AB8439 #39AB4B

square

#3960AB #AB3999 #AB8439 #39AB4B

split-complementary

#3960AB #AB4B39 #99AB39

monochromatic

#1A2C4F #2A467D #3960AB #597FC8 #87A3D7

Accessibility & contrast

On white

6.11

#3960AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3960AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960AB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960AB	#FFFFFF	#000000	##FFFFFF
##3960AB	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C68AE

Deuteranopia (green-blind)

#2A5DA9

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3960ab;
/* rgb */ color: rgb(57, 96, 171);
/* oklch */ color: oklch(49.9% 0.128 262.1);

Tailwind

colors: {
  custom: {
    50: '#7c8cc4',
    500: '#3960ab',
    950: '#000000',
  },
}

SCSS

$custom: #3960ab;
$custom-light: #7c8cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3960ab",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 171
  },
  "hsl": {
    "h": 219.474,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49927,
    "c": 0.12776,
    "h": 262.1
  },
  "luminance": 0.12176
}

Semantic roles & 50–950 ramp

primary

#3960AB

secondary

#C1AA7F

accent

#AA4EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3960AB

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

Preview Lab → · Contrast checker → · Palette generator →