#3B4FBA#3B4FBA

#3B4FBA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.169 H 270.6°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FBA
RGB	rgb(59, 79, 186)
HSL	hsl(231, 52%, 48%)
HSV	hsv(231, 68%, 73%)
CMYK	cmyk(68.3%, 57.5%, 0%, 27.1%)
CIE-LAB	lab(37.96, 28.03, -58.84)
CIE-LCH	lch(37.96, 65.17, 295.47°)
OKLab	oklab(47.6% 0.0017 -0.1695)
OKLCH	oklch(47.6% 0.169 270.6)
XYZ	xyz(13.4595, 10.0657, 47.6784)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FBA #BAA63B

analogous

#3B8EBA #3B4FBA #663BBA

triadic

#3B4FBA #BA3B4F #4FBA3B

tetradic

#3B4FBA #BA3B8E #BAA63B #3BBA66

square

#3B4FBA #BA3B8E #BAA63B #3BBA66

split-complementary

#3B4FBA #BA663B #8EBA3B

monochromatic

#1E285D #2C3B8C #3B4FBA #6475CE #939EDD

Accessibility & contrast

On white

6.97

#3B4FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3B4FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FBA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FBA	#FFFFFF	#000000	##FFFFFF
##3B4FBA	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3b4fba;
/* rgb */ color: rgb(59, 79, 186);
/* oklch */ color: oklch(47.6% 0.169 270.6);

Tailwind

colors: {
  custom: {
    50: '#8080d0',
    500: '#3b4fba',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fba;
$custom-light: #8080d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fba",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 186
  },
  "hsl": {
    "h": 230.551,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47597,
    "c": 0.16947,
    "h": 270.6
  },
  "luminance": 0.10067
}

Semantic roles & 50–950 ramp

primary

#3B4FBA

secondary

#C8BE89

accent

#C54DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3B4FBA

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

Preview Lab → · Contrast checker → · Palette generator →