#396DD9#396DD9

#396DD9 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.9% C 0.175 H 262.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#396DD9
RGB	rgb(57, 109, 217)
HSL	hsl(221, 68%, 54%)
HSV	hsv(221, 74%, 85%)
CMYK	cmyk(73.7%, 49.8%, 0%, 14.9%)
CIE-LAB	lab(48.03, 19.81, -60.43)
CIE-LCH	lch(48.03, 63.59, 288.15°)
OKLab	oklab(55.87% -0.0221 -0.1737)
OKLCH	oklch(55.87% 0.175 262.7)
XYZ	xyz(19.6759, 16.8147, 67.8408)
Luminance	0.1682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#396DD9 #D9A539

analogous

#39BDD9 #396DD9 #5539D9

triadic

#396DD9 #D9396D #6DD939

tetradic

#396DD9 #D939BD #D9A539 #39D955

square

#396DD9 #D939BD #D9A539 #39D955

split-complementary

#396DD9 #D95539 #BDD939

monochromatic

#183A7F #2251B3 #396DD9 #6C93E3 #A0B9ED

Accessibility & contrast

On white

4.81

#396DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#396DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #396DD9

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##396DD9	#FFFFFF	#000000	##FFFFFF
##396DD9	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7ADD

Deuteranopia (green-blind)

#006BD7

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #396dd9;
/* rgb */ color: rgb(57, 109, 217);
/* oklch */ color: oklch(55.9% 0.175 262.7);

Tailwind

colors: {
  custom: {
    50: '#8496e5',
    500: '#396dd9',
    950: '#000000',
  },
}

SCSS

$custom: #396dd9;
$custom-light: #8496e5;
$custom-dark: #000000;

JSON

{
  "hex": "#396dd9",
  "rgb": {
    "r": 57,
    "g": 109,
    "b": 217
  },
  "hsl": {
    "h": 220.5,
    "s": 67.797,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55871,
    "c": 0.17512,
    "h": 262.7
  },
  "luminance": 0.16817
}

Semantic roles & 50–950 ramp

primary

#396DD9

secondary

#D9C395

accent

#B23DEB

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #396DD9

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

Preview Lab → · Contrast checker → · Palette generator →