#3B4DC9#3B4DC9

#3B4DC9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.5% C 0.192 H 271.0°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DC9
RGB	rgb(59, 77, 201)
HSL	hsl(232, 57%, 51%)
HSV	hsv(232, 71%, 79%)
CMYK	cmyk(70.6%, 61.7%, 0%, 21.2%)
CIE-LAB	lab(38.64, 34.65, -66.48)
CIE-LCH	lch(38.64, 74.97, 297.53°)
OKLab	oklab(48.47% 0.0032 -0.1919)
OKLCH	oklch(48.47% 0.192 271)
XYZ	xyz(14.9965, 10.4531, 56.4743)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DC9 #C9B73B

analogous

#3B94C9 #3B4DC9 #703BC9

triadic

#3B4DC9 #C93B4D #4DC93B

tetradic

#3B4DC9 #C93B94 #C9B73B #3BC970

square

#3B4DC9 #C93B94 #C9B73B #3BC970

split-complementary

#3B4DC9 #C9703B #94C93B

monochromatic

#1E286C #2B399C #3B4DC9 #6B79D6 #9BA4E3

Accessibility & contrast

On white

6.79

#3B4DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3B4DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4DC9

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DC9	#FFFFFF	#000000	##FFFFFF
##3B4DC9	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)

#0062CD

Deuteranopia (green-blind)

#0055C7

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b4dc9;
/* rgb */ color: rgb(59, 77, 201);
/* oklch */ color: oklch(48.5% 0.192 271.0);

Tailwind

colors: {
  custom: {
    50: '#847eda',
    500: '#3b4dc9',
    950: '#000000',
  },
}

SCSS

$custom: #3b4dc9;
$custom-light: #847eda;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4dc9",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 201
  },
  "hsl": {
    "h": 232.394,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48474,
    "c": 0.19194,
    "h": 271
  },
  "luminance": 0.10455
}

Semantic roles & 50–950 ramp

primary

#3B4DC9

secondary

#CFC790

accent

#CD48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B4DC9

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

Preview Lab → · Contrast checker → · Palette generator →