#3B4EBA#3B4EBA

#3B4EBA is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.4% C 0.171 H 270.8°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#3B4EBA
RGB	rgb(59, 78, 186)
HSL	hsl(231, 52%, 48%)
HSV	hsv(231, 68%, 73%)
CMYK	cmyk(68.3%, 58.1%, 0%, 27.1%)
CIE-LAB	lab(37.70, 28.67, -59.26)
CIE-LCH	lch(37.70, 65.83, 295.82°)
OKLab	oklab(47.41% 0.0025 -0.1707)
OKLCH	oklch(47.41% 0.171 270.8)
XYZ	xyz(13.3879, 9.9225, 47.6545)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4EBA #BAA73B

analogous

#3B8DBA #3B4EBA #683BBA

triadic

#3B4EBA #BA3B4E #4EBA3B

tetradic

#3B4EBA #BA3B8D #BAA73B #3BBA68

square

#3B4EBA #BA3B8D #BAA73B #3BBA68

split-complementary

#3B4EBA #BA683B #8DBA3B

monochromatic

#1E275D #2C3B8C #3B4EBA #6474CE #939EDD

Accessibility & contrast

On white

7.04

#3B4EBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3B4EBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4EBA

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4EBA	#FFFFFF	#000000	##FFFFFF
##3B4EBA	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3b4eba;
/* rgb */ color: rgb(59, 78, 186);
/* oklch */ color: oklch(47.4% 0.171 270.8);

Tailwind

colors: {
  custom: {
    50: '#807fd0',
    500: '#3b4eba',
    950: '#000000',
  },
}

SCSS

$custom: #3b4eba;
$custom-light: #807fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4eba",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 186
  },
  "hsl": {
    "h": 231.024,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47405,
    "c": 0.17072,
    "h": 270.8
  },
  "luminance": 0.09924
}

Semantic roles & 50–950 ramp

primary

#3B4EBA

secondary

#C8BE89

accent

#C64DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3B4EBA

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

Preview Lab → · Contrast checker → · Palette generator →