#3963A6#3963A6

#3963A6 is a mid, moderate blue. Relative luminance 0.125; OKLCH L 50.3% C 0.117 H 259.4°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3963A6
RGB	rgb(57, 99, 166)
HSL	hsl(217, 49%, 44%)
HSV	hsv(217, 66%, 65%)
CMYK	cmyk(65.7%, 40.4%, 0%, 34.9%)
CIE-LAB	lab(42.07, 7.51, -40.45)
CIE-LCH	lch(42.07, 41.14, 280.52°)
OKLab	oklab(50.28% -0.0216 -0.1151)
OKLCH	oklch(50.28% 0.117 259.4)
XYZ	xyz(13.0297, 12.5455, 37.8039)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963A6 #A67C39

analogous

#3999A6 #3963A6 #4539A6

triadic

#3963A6 #A63963 #63A639

tetradic

#3963A6 #A63999 #A67C39 #39A645

square

#3963A6 #A63999 #A67C39 #39A645

split-complementary

#3963A6 #A64539 #99A639

monochromatic

#1A2D4B #294878 #3963A6 #5781C5 #84A3D5

Accessibility & contrast

On white

5.98

#3963A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#3963A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963A6

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963A6	#FFFFFF	#000000	##FFFFFF
##3963A6	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4569A9

Deuteranopia (green-blind)

#355FA5

Tritanopia (blue-blind)

#00727C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3963a6;
/* rgb */ color: rgb(57, 99, 166);
/* oklch */ color: oklch(50.3% 0.117 259.4);

Tailwind

colors: {
  custom: {
    50: '#7b8fc1',
    500: '#3963a6',
    950: '#000000',
  },
}

SCSS

$custom: #3963a6;
$custom-light: #7b8fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3963a6",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 166
  },
  "hsl": {
    "h": 216.881,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50279,
    "c": 0.11716,
    "h": 259.4
  },
  "luminance": 0.12547
}

Semantic roles & 50–950 ramp

primary

#3963A6

secondary

#BFA57C

accent

#A44FD8

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3963A6

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

Preview Lab → · Contrast checker → · Palette generator →