#396BBB#396BBB

#396BBB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.137 H 259.4°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#396BBB
RGB	rgb(57, 107, 187)
HSL	hsl(217, 53%, 48%)
HSV	hsv(217, 70%, 73%)
CMYK	cmyk(69.5%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(45.60, 10.07, -47.12)
CIE-LCH	lch(45.60, 48.19, 282.06°)
OKLab	oklab(53.4% -0.0252 -0.1346)
OKLCH	oklch(53.4% 0.137 259.4)
XYZ	xyz(15.9115, 14.9715, 49.0553)
Luminance	0.1497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#396BBB #BB8939

analogous

#39ACBB #396BBB #4839BB

triadic

#396BBB #BB396B #6BBB39

tetradic

#396BBB #BB39AC #BB8939 #39BB48

square

#396BBB #BB39AC #BB8939 #39BB48

split-complementary

#396BBB #BB4839 #ACBB39

monochromatic

#1C355D #2B508C #396BBB #628CCF #91AEDD

Accessibility & contrast

On white

5.26

#396BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#396BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #396BBB

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##396BBB	#FFFFFF	#000000	##FFFFFF
##396BBB	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4572BE

Deuteranopia (green-blind)

#2F66B9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #396bbb;
/* rgb */ color: rgb(57, 107, 187);
/* oklch */ color: oklch(53.4% 0.137 259.4);

Tailwind

colors: {
  custom: {
    50: '#7e94d0',
    500: '#396bbb',
    950: '#000000',
  },
}

SCSS

$custom: #396bbb;
$custom-light: #7e94d0;
$custom-dark: #000000;

JSON

{
  "hex": "#396bbb",
  "rgb": {
    "r": 57,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 216.923,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53402,
    "c": 0.13694,
    "h": 259.4
  },
  "luminance": 0.14973
}

Semantic roles & 50–950 ramp

primary

#396BBB

secondary

#C8AF87

accent

#A54BDD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #396BBB

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

Preview Lab → · Contrast checker → · Palette generator →