#3B4FC3#3B4FC3

#3B4FC3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.182 H 270.6°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FC3
RGB	rgb(59, 79, 195)
HSL	hsl(231, 54%, 50%)
HSV	hsv(231, 70%, 76%)
CMYK	cmyk(69.7%, 59.5%, 0%, 23.5%)
CIE-LAB	lab(38.66, 31.25, -62.97)
CIE-LCH	lch(38.66, 70.30, 296.39°)
OKLab	oklab(48.33% 0.0018 -0.1816)
OKLCH	oklch(48.33% 0.182 270.6)
XYZ	xyz(14.4466, 10.4605, 52.8769)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FC3 #C3AF3B

analogous

#3B93C3 #3B4FC3 #6B3BC3

triadic

#3B4FC3 #C33B4F #4FC33B

tetradic

#3B4FC3 #C33B93 #C3AF3B #3BC36B

square

#3B4FC3 #C33B93 #C3AF3B #3BC36B

split-complementary

#3B4FC3 #C36B3B #93C33B

monochromatic

#1F2965 #2D3C94 #3B4FC3 #6979D2 #98A3E0

Accessibility & contrast

On white

6.79

#3B4FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3B4FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FC3

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FC3	#FFFFFF	#000000	##FFFFFF
##3B4FC3	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C7

Deuteranopia (green-blind)

#0055C1

Tritanopia (blue-blind)

#006C81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b4fc3;
/* rgb */ color: rgb(59, 79, 195);
/* oklch */ color: oklch(48.3% 0.182 270.6);

Tailwind

colors: {
  custom: {
    50: '#8280d6',
    500: '#3b4fc3',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fc3;
$custom-light: #8280d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fc3",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 195
  },
  "hsl": {
    "h": 231.176,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48334,
    "c": 0.1816,
    "h": 270.6
  },
  "luminance": 0.10462
}

Semantic roles & 50–950 ramp

primary

#3B4FC3

secondary

#CCC38E

accent

#C74BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3B4FC3

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

Preview Lab → · Contrast checker → · Palette generator →