#3B4DCC#3B4DCC

#3B4DCC is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.196 H 270.9°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DCC
RGB	rgb(59, 77, 204)
HSL	hsl(233, 59%, 52%)
HSV	hsv(233, 71%, 80%)
CMYK	cmyk(71.1%, 62.3%, 0%, 20%)
CIE-LAB	lab(38.89, 35.71, -67.81)
CIE-LCH	lch(38.89, 76.64, 297.77°)
OKLab	oklab(48.73% 0.0031 -0.1958)
OKLCH	oklch(48.73% 0.196 270.9)
XYZ	xyz(15.3529, 10.5956, 58.3511)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DCC #CCBA3B

analogous

#3B96CC #3B4DCC #723BCC

triadic

#3B4DCC #CC3B4D #4DCC3B

tetradic

#3B4DCC #CC3B96 #CCBA3B #3BCC72

square

#3B4DCC #CC3B96 #CCBA3B #3BCC72

split-complementary

#3B4DCC #CC723B #96CC3B

monochromatic

#1D2770 #2A38A0 #3B4DCC #6C79D9 #9CA5E5

Accessibility & contrast

On white

6.73

#3B4DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3B4DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4DCC

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DCC	#FFFFFF	#000000	##FFFFFF
##3B4DCC	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D0

Deuteranopia (green-blind)

#0055CA

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3b4dcc;
/* rgb */ color: rgb(59, 77, 204);
/* oklch */ color: oklch(48.7% 0.196 270.9);

Tailwind

colors: {
  custom: {
    50: '#847edd',
    500: '#3b4dcc',
    950: '#000000',
  },
}

SCSS

$custom: #3b4dcc;
$custom-light: #847edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4dcc",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 204
  },
  "hsl": {
    "h": 232.552,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48733,
    "c": 0.19585,
    "h": 270.9
  },
  "luminance": 0.10597
}

Semantic roles & 50–950 ramp

primary

#3B4DCC

secondary

#D1C992

accent

#CF46E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B4DCC

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

Preview Lab → · Contrast checker → · Palette generator →