#43509D#43509D

#43509D is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.1% C 0.125 H 273.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#43509D
RGB	rgb(67, 80, 157)
HSL	hsl(231, 40%, 44%)
HSV	hsv(231, 57%, 62%)
CMYK	cmyk(57.3%, 49%, 0%, 38.4%)
CIE-LAB	lab(36.68, 18.57, -43.67)
CIE-LCH	lch(36.68, 47.45, 293.04°)
OKLab	oklab(46.11% 0.0072 -0.1246)
OKLCH	oklch(46.11% 0.125 273.3)
XYZ	xyz(11.2672, 9.3641, 33.1055)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43509D #9D9043

analogous

#437D9D #43509D #63439D

triadic

#43509D #9D4350 #509D43

tetradic

#43509D #9D437D #9D9043 #439D63

square

#43509D #9D437D #9D9043 #439D63

split-complementary

#43509D #9D6343 #7D9D43

monochromatic

#1E2447 #313A72 #43509D #616EBC #8C96CE

Accessibility & contrast

On white

7.31

#43509D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#43509D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43509D

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43509D	#FFFFFF	#000000	##FFFFFF
##43509D	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5AA0

Deuteranopia (green-blind)

#1E539B

Tritanopia (blue-blind)

#0D616F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #43509d;
/* rgb */ color: rgb(67, 80, 157);
/* oklch */ color: oklch(46.1% 0.125 273.3);

Tailwind

colors: {
  custom: {
    50: '#7f80ba',
    500: '#43509d',
    950: '#000000',
  },
}

SCSS

$custom: #43509d;
$custom-light: #7f80ba;
$custom-dark: #000000;

JSON

{
  "hex": "#43509d",
  "rgb": {
    "r": 67,
    "g": 80,
    "b": 157
  },
  "hsl": {
    "h": 231.333,
    "s": 40.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46112,
    "c": 0.12483,
    "h": 273.3
  },
  "luminance": 0.09365
}

Semantic roles & 50–950 ramp

primary

#43509D

secondary

#B9B183

accent

#BF58D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #43509D

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

Preview Lab → · Contrast checker → · Palette generator →