#3B4FC4#3B4FC4

#3B4FC4 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.4% C 0.183 H 270.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FC4
RGB	rgb(59, 79, 196)
HSL	hsl(231, 54%, 50%)
HSV	hsv(231, 70%, 77%)
CMYK	cmyk(69.9%, 59.7%, 0%, 23.1%)
CIE-LAB	lab(38.74, 31.60, -63.42)
CIE-LCH	lch(38.74, 70.86, 296.49°)
OKLab	oklab(48.42% 0.0018 -0.1829)
OKLCH	oklch(48.42% 0.183 270.6)
XYZ	xyz(14.5600, 10.5059, 53.4744)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FC4 #C4B03B

analogous

#3B93C4 #3B4FC4 #6C3BC4

triadic

#3B4FC4 #C43B4F #4FC43B

tetradic

#3B4FC4 #C43B93 #C4B03B #3BC46C

square

#3B4FC4 #C43B93 #C4B03B #3BC46C

split-complementary

#3B4FC4 #C46C3B #93C43B

monochromatic

#1F2966 #2D3C95 #3B4FC4 #6A79D2 #99A3E0

Accessibility & contrast

On white

6.77

#3B4FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3B4FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FC4

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FC4	#FFFFFF	#000000	##FFFFFF
##3B4FC4	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b4fc4;
/* rgb */ color: rgb(59, 79, 196);
/* oklch */ color: oklch(48.4% 0.183 270.6);

Tailwind

colors: {
  custom: {
    50: '#8280d7',
    500: '#3b4fc4',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fc4;
$custom-light: #8280d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fc4",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 196
  },
  "hsl": {
    "h": 231.241,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.48417,
    "c": 0.18294,
    "h": 270.6
  },
  "luminance": 0.10507
}

Semantic roles & 50–950 ramp

primary

#3B4FC4

secondary

#CCC38F

accent

#C84BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3B4FC4

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

Preview Lab → · Contrast checker → · Palette generator →