#3966A3#3966A3

#3966A3 is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.8% C 0.110 H 256.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3966A3
RGB	rgb(57, 102, 163)
HSL	hsl(215, 48%, 43%)
HSV	hsv(215, 65%, 64%)
CMYK	cmyk(65%, 37.4%, 0%, 36.1%)
CIE-LAB	lab(42.79, 4.53, -37.54)
CIE-LCH	lch(42.79, 37.81, 276.89°)
OKLab	oklab(50.78% -0.0255 -0.1066)
OKLCH	oklch(50.78% 0.11 256.5)
XYZ	xyz(13.0472, 13.0157, 36.4679)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3966A3 #A37639

analogous

#399BA3 #3966A3 #4139A3

triadic

#3966A3 #A33966 #66A339

tetradic

#3966A3 #A3399B #A37639 #39A341

square

#3966A3 #A3399B #A37639 #39A341

split-complementary

#3966A3 #A34139 #9BA339

monochromatic

#192D48 #294A76 #3966A3 #5584C4 #83A5D4

Accessibility & contrast

On white

5.83

#3966A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3966A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3966A3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3966A3	#FFFFFF	#000000	##FFFFFF
##3966A3	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6AA5

Deuteranopia (green-blind)

#3C60A2

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3966a3;
/* rgb */ color: rgb(57, 102, 163);
/* oklch */ color: oklch(50.8% 0.110 256.5);

Tailwind

colors: {
  custom: {
    50: '#7a91be',
    500: '#3966a3',
    950: '#000000',
  },
}

SCSS

$custom: #3966a3;
$custom-light: #7a91be;
$custom-dark: #000000;

JSON

{
  "hex": "#3966a3",
  "rgb": {
    "r": 57,
    "g": 102,
    "b": 163
  },
  "hsl": {
    "h": 214.528,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50782,
    "c": 0.10959,
    "h": 256.5
  },
  "luminance": 0.13017
}

Semantic roles & 50–950 ramp

primary

#3966A3

secondary

#BDA17A

accent

#9E50D8

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3966A3

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

Preview Lab → · Contrast checker → · Palette generator →