#4340BD#4340BD

#4340BD is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.7% C 0.190 H 276.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#4340BD
RGB	rgb(67, 64, 189)
HSL	hsl(241, 49%, 50%)
HSV	hsv(241, 66%, 74%)
CMYK	cmyk(64.6%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(35.07, 39.65, -65.30)
CIE-LCH	lch(35.07, 76.39, 301.27°)
OKLab	oklab(45.68% 0.0227 -0.1883)
OKLCH	oklch(45.68% 0.19 276.9)
XYZ	xyz(13.3305, 8.5331, 49.0788)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4340BD #BABD40

analogous

#407CBD #4340BD #8240BD

triadic

#4340BD #BD4340 #40BD43

tetradic

#4340BD #BD407C #BABD40 #40BD82

square

#4340BD #BD407C #BABD40 #40BD82

split-complementary

#4340BD #BD8240 #7CBD40

monochromatic

#232162 #33318F #4340BD #6F6DCD #9C9ADD

Accessibility & contrast

On white

7.76

#4340BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4340BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340BD

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340BD	#FFFFFF	#000000	##FFFFFF
##4340BD	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4340bd;
/* rgb */ color: rgb(67, 64, 189);
/* oklch */ color: oklch(45.7% 0.190 276.9);

Tailwind

colors: {
  custom: {
    50: '#8675d2',
    500: '#4340bd',
    950: '#000000',
  },
}

SCSS

$custom: #4340bd;
$custom-light: #8675d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4340bd",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 241.44,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45675,
    "c": 0.18969,
    "h": 276.9
  },
  "luminance": 0.08534
}

Semantic roles & 50–950 ramp

primary

#4340BD

secondary

#C8C990

accent

#D94FD6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4340BD

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

Preview Lab → · Contrast checker → · Palette generator →