#3963A5#3963A5

#3963A5 is a mid, moderate blue. Relative luminance 0.125; OKLCH L 50.2% C 0.116 H 259.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3963A5
RGB	rgb(57, 99, 165)
HSL	hsl(217, 49%, 44%)
HSV	hsv(217, 65%, 65%)
CMYK	cmyk(65.5%, 40%, 0%, 35.3%)
CIE-LAB	lab(42.01, 7.15, -39.95)
CIE-LCH	lch(42.01, 40.58, 280.14°)
OKLab	oklab(50.22% -0.0219 -0.1137)
OKLCH	oklch(50.22% 0.116 259.1)
XYZ	xyz(12.9383, 12.5089, 37.3226)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963A5 #A57B39

analogous

#3999A5 #3963A5 #4539A5

triadic

#3963A5 #A53963 #63A539

tetradic

#3963A5 #A53999 #A57B39 #39A545

square

#3963A5 #A53999 #A57B39 #39A545

split-complementary

#3963A5 #A54539 #99A539

monochromatic

#1A2C4A #294878 #3963A5 #5681C5 #84A3D4

Accessibility & contrast

On white

6.00

#3963A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3963A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963A5

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963A5	#FFFFFF	#000000	##FFFFFF
##3963A5	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4669A8

Deuteranopia (green-blind)

#365FA4

Tritanopia (blue-blind)

#00727C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3963a5;
/* rgb */ color: rgb(57, 99, 165);
/* oklch */ color: oklch(50.2% 0.116 259.1);

Tailwind

colors: {
  custom: {
    50: '#7a8fc0',
    500: '#3963a5',
    950: '#000000',
  },
}

SCSS

$custom: #3963a5;
$custom-light: #7a8fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#3963a5",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 165
  },
  "hsl": {
    "h": 216.667,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50217,
    "c": 0.11576,
    "h": 259.1
  },
  "luminance": 0.1251
}

Semantic roles & 50–950 ramp

primary

#3963A5

secondary

#BEA47B

accent

#A350D8

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3963A5

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

Preview Lab → · Contrast checker → · Palette generator →