#3B4DBA#3B4DBA

#3B4DBA is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.2% C 0.172 H 271.1°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DBA
RGB	rgb(59, 77, 186)
HSL	hsl(231, 52%, 48%)
HSV	hsv(231, 68%, 73%)
CMYK	cmyk(68.3%, 58.6%, 0%, 27.1%)
CIE-LAB	lab(37.45, 29.32, -59.67)
CIE-LCH	lch(37.45, 66.49, 296.17°)
OKLab	oklab(47.22% 0.0034 -0.1719)
OKLCH	oklch(47.22% 0.172 271.1)
XYZ	xyz(13.3174, 9.7815, 47.6310)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DBA #BAA83B

analogous

#3B8CBA #3B4DBA #683BBA

triadic

#3B4DBA #BA3B4D #4DBA3B

tetradic

#3B4DBA #BA3B8C #BAA83B #3BBA68

square

#3B4DBA #BA3B8C #BAA83B #3BBA68

split-complementary

#3B4DBA #BA683B #8CBA3B

monochromatic

#1E275D #2C3A8C #3B4DBA #6473CE #939DDD

Accessibility & contrast

On white

7.10

#3B4DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3B4DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4DBA

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DBA	#FFFFFF	#000000	##FFFFFF
##3B4DBA	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b4dba;
/* rgb */ color: rgb(59, 77, 186);
/* oklch */ color: oklch(47.2% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#807ed0',
    500: '#3b4dba',
    950: '#000000',
  },
}

SCSS

$custom: #3b4dba;
$custom-light: #807ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4dba",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 186
  },
  "hsl": {
    "h": 231.496,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47215,
    "c": 0.17196,
    "h": 271.1
  },
  "luminance": 0.09783
}

Semantic roles & 50–950 ramp

primary

#3B4DBA

secondary

#C8BF89

accent

#C74DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3B4DBA

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

Preview Lab → · Contrast checker → · Palette generator →