#3B4BCC#3B4BCC

#3B4BCC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.4% C 0.198 H 271.3°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BCC
RGB	rgb(59, 75, 204)
HSL	hsl(233, 59%, 52%)
HSV	hsv(233, 71%, 80%)
CMYK	cmyk(71.1%, 63.2%, 0%, 20%)
CIE-LAB	lab(38.41, 36.96, -68.60)
CIE-LCH	lch(38.41, 77.92, 298.31°)
OKLab	oklab(48.38% 0.0045 -0.1981)
OKLCH	oklch(48.38% 0.198 271.3)
XYZ	xyz(15.2151, 10.3201, 58.3052)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BCC #CCBC3B

analogous

#3B94CC #3B4BCC #743BCC

triadic

#3B4BCC #CC3B4B #4BCC3B

tetradic

#3B4BCC #CC3B94 #CCBC3B #3BCC74

square

#3B4BCC #CC3B94 #CCBC3B #3BCC74

split-complementary

#3B4BCC #CC743B #94CC3B

monochromatic

#1D2670 #2A37A0 #3B4BCC #6C78D9 #9CA4E5

Accessibility & contrast

On white

6.85

#3B4BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3B4BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4BCC

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BCC	#FFFFFF	#000000	##FFFFFF
##3B4BCC	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D0

Deuteranopia (green-blind)

#0054CA

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b4bcc;
/* rgb */ color: rgb(59, 75, 204);
/* oklch */ color: oklch(48.4% 0.198 271.3);

Tailwind

colors: {
  custom: {
    50: '#847ddd',
    500: '#3b4bcc',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bcc;
$custom-light: #847ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bcc",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 204
  },
  "hsl": {
    "h": 233.379,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.4838,
    "c": 0.1982,
    "h": 271.3
  },
  "luminance": 0.10322
}

Semantic roles & 50–950 ramp

primary

#3B4BCC

secondary

#D1CA92

accent

#D146E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3B4BCC

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

Preview Lab → · Contrast checker → · Palette generator →