#4340BE#4340BE

#4340BE is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.8% C 0.191 H 276.8°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#4340BE
RGB	rgb(67, 64, 190)
HSL	hsl(241, 50%, 50%)
HSV	hsv(241, 66%, 75%)
CMYK	cmyk(64.7%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(35.16, 39.98, -65.74)
CIE-LCH	lch(35.16, 76.95, 301.31°)
OKLab	oklab(45.77% 0.0226 -0.1896)
OKLCH	oklch(45.77% 0.191 276.8)
XYZ	xyz(13.4394, 8.5767, 49.6524)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4340BE #BBBE40

analogous

#407CBE #4340BE #8240BE

triadic

#4340BE #BE4340 #40BE43

tetradic

#4340BE #BE407C #BBBE40 #40BE82

square

#4340BE #BE407C #BBBE40 #40BE82

split-complementary

#4340BE #BE8240 #7CBE40

monochromatic

#232162 #333190 #4340BE #706DCE #9D9BDD

Accessibility & contrast

On white

7.73

#4340BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4340BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340BE

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340BE	#FFFFFF	#000000	##FFFFFF
##4340BE	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C2

Deuteranopia (green-blind)

#004DBC

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4340be;
/* rgb */ color: rgb(67, 64, 190);
/* oklch */ color: oklch(45.8% 0.191 276.8);

Tailwind

colors: {
  custom: {
    50: '#8675d3',
    500: '#4340be',
    950: '#000000',
  },
}

SCSS

$custom: #4340be;
$custom-light: #8675d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4340be",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 241.429,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45765,
    "c": 0.19097,
    "h": 276.8
  },
  "luminance": 0.08578
}

Semantic roles & 50–950 ramp

primary

#4340BE

secondary

#C8C990

accent

#D94FD6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4340BE

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

Preview Lab → · Contrast checker → · Palette generator →