#3B4FBC#3B4FBC

#3B4FBC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.8% C 0.172 H 270.6°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FBC
RGB	rgb(59, 79, 188)
HSL	hsl(231, 52%, 48%)
HSV	hsv(231, 69%, 74%)
CMYK	cmyk(68.6%, 58%, 0%, 26.3%)
CIE-LAB	lab(38.11, 28.75, -59.76)
CIE-LCH	lch(38.11, 66.32, 295.69°)
OKLab	oklab(47.76% 0.0017 -0.1722)
OKLCH	oklch(47.76% 0.172 270.6)
XYZ	xyz(13.6736, 10.1513, 48.8060)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FBC #BCA83B

analogous

#3B8FBC #3B4FBC #673BBC

triadic

#3B4FBC #BC3B4F #4FBC3B

tetradic

#3B4FBC #BC3B8F #BCA83B #3BBC67

square

#3B4FBC #BC3B8F #BCA83B #3BBC67

split-complementary

#3B4FBC #BC673B #8FBC3B

monochromatic

#1E285F #2C3B8D #3B4FBC #6576CF #949FDD

Accessibility & contrast

On white

6.93

#3B4FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3B4FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FBC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FBC	#FFFFFF	#000000	##FFFFFF
##3B4FBC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b4fbc;
/* rgb */ color: rgb(59, 79, 188);
/* oklch */ color: oklch(47.8% 0.172 270.6);

Tailwind

colors: {
  custom: {
    50: '#8180d1',
    500: '#3b4fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fbc;
$custom-light: #8180d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fbc",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 230.698,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47759,
    "c": 0.17219,
    "h": 270.6
  },
  "luminance": 0.10153
}

Semantic roles & 50–950 ramp

primary

#3B4FBC

secondary

#C9BF8A

accent

#C54CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3B4FBC

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

Preview Lab → · Contrast checker → · Palette generator →