#3B43BF#3B43BF

#3B43BF is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.8% C 0.191 H 273.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3B43BF
RGB	rgb(59, 67, 191)
HSL	hsl(236, 53%, 49%)
HSV	hsv(236, 69%, 75%)
CMYK	cmyk(69.1%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(35.41, 37.41, -65.94)
CIE-LCH	lch(35.41, 75.81, 299.57°)
OKLab	oklab(45.84% 0.0108 -0.1904)
OKLCH	oklch(45.84% 0.191 273.3)
XYZ	xyz(13.2116, 8.7045, 50.2640)
Luminance	0.0871 (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

#3B43BF #BFB73B

analogous

#3B85BF #3B43BF #753BBF

triadic

#3B43BF #BF3B43 #43BF3B

tetradic

#3B43BF #BF3B85 #BFB73B #3BBF75

square

#3B43BF #BF3B85 #BFB73B #3BBF75

split-complementary

#3B43BF #BF753B #85BF3B

monochromatic

#1E2261 #2D3390 #3B43BF #676DD0 #969ADF

Accessibility & contrast

On white

7.66

#3B43BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3B43BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B43BF

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43BF	#FFFFFF	#000000	##FFFFFF
##3B43BF	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004DBD

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b43bf;
/* rgb */ color: rgb(59, 67, 191);
/* oklch */ color: oklch(45.8% 0.191 273.3);

Tailwind

colors: {
  custom: {
    50: '#8277d3',
    500: '#3b43bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b43bf;
$custom-light: #8277d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43bf",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 236.364,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45839,
    "c": 0.1907,
    "h": 273.3
  },
  "luminance": 0.08706
}

Semantic roles & 50–950 ramp

primary

#3B43BF

secondary

#CAC68C

accent

#D34CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3B43BF

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

Preview Lab → · Contrast checker → · Palette generator →