#396FBB#396FBB

#396FBB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.3% C 0.132 H 257.4°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#396FBB
RGB	rgb(57, 111, 187)
HSL	hsl(215, 53%, 48%)
HSV	hsv(215, 70%, 73%)
CMYK	cmyk(69.5%, 40.6%, 0%, 26.7%)
CIE-LAB	lab(46.74, 7.56, -45.29)
CIE-LCH	lch(46.74, 45.92, 279.48°)
OKLab	oklab(54.29% -0.029 -0.1292)
OKLCH	oklch(54.29% 0.132 257.4)
XYZ	xyz(16.3382, 15.8249, 49.1975)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#396FBB #BB8539

analogous

#39B0BB #396FBB #4439BB

triadic

#396FBB #BB396F #6FBB39

tetradic

#396FBB #BB39B0 #BB8539 #39BB44

square

#396FBB #BB39B0 #BB8539 #39BB44

split-complementary

#396FBB #BB4439 #B0BB39

monochromatic

#1C375D #2B538C #396FBB #628FCF #91B1DD

Accessibility & contrast

On white

5.04

#396FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#396FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #396FBB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##396FBB	#FFFFFF	#000000	##FFFFFF
##396FBB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BE

Deuteranopia (green-blind)

#3769B9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #396fbb;
/* rgb */ color: rgb(57, 111, 187);
/* oklch */ color: oklch(54.3% 0.132 257.4);

Tailwind

colors: {
  custom: {
    50: '#7e97d0',
    500: '#396fbb',
    950: '#000000',
  },
}

SCSS

$custom: #396fbb;
$custom-light: #7e97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#396fbb",
  "rgb": {
    "r": 57,
    "g": 111,
    "b": 187
  },
  "hsl": {
    "h": 215.077,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54292,
    "c": 0.13238,
    "h": 257.4
  },
  "luminance": 0.15827
}

Semantic roles & 50–950 ramp

primary

#396FBB

secondary

#C8AD87

accent

#A04BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #396FBB

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

Preview Lab → · Contrast checker → · Palette generator →