#3960BC#3960BC

#3960BC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.1% C 0.152 H 264.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3960BC
RGB	rgb(57, 96, 188)
HSL	hsl(222, 53%, 48%)
HSV	hsv(222, 70%, 74%)
CMYK	cmyk(69.7%, 48.9%, 0%, 26.3%)
CIE-LAB	lab(42.56, 17.46, -52.57)
CIE-LCH	lch(42.56, 55.40, 288.37°)
OKLab	oklab(51.09% -0.0148 -0.1508)
OKLCH	oklch(51.09% 0.152 264.4)
XYZ	xyz(14.9441, 12.8649, 49.2628)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3960BC #BC9539

analogous

#39A1BC #3960BC #5339BC

triadic

#3960BC #BC3960 #60BC39

tetradic

#3960BC #BC39A1 #BC9539 #39BC53

square

#3960BC #BC39A1 #BC9539 #39BC53

split-complementary

#3960BC #BC5339 #A1BC39

monochromatic

#1D305E #2B488D #3960BC #6383D0 #92A8DE

Accessibility & contrast

On white

5.88

#3960BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3960BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3960BC

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3960BC	#FFFFFF	#000000	##FFFFFF
##3960BC	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6BBF

Deuteranopia (green-blind)

#035FBA

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3960bc;
/* rgb */ color: rgb(57, 96, 188);
/* oklch */ color: oklch(51.1% 0.152 264.4);

Tailwind

colors: {
  custom: {
    50: '#7f8cd1',
    500: '#3960bc',
    950: '#000000',
  },
}

SCSS

$custom: #3960bc;
$custom-light: #7f8cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3960bc",
  "rgb": {
    "r": 57,
    "g": 96,
    "b": 188
  },
  "hsl": {
    "h": 222.137,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51089,
    "c": 0.15154,
    "h": 264.4
  },
  "luminance": 0.12866
}

Semantic roles & 50–950 ramp

primary

#3960BC

secondary

#C9B688

accent

#B14BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3960BC

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

Preview Lab → · Contrast checker → · Palette generator →