#433F9C#433F9C

#433F9C is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.147 H 280.1°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#433F9C
RGB	rgb(67, 63, 156)
HSL	hsl(243, 42%, 43%)
HSV	hsv(243, 60%, 61%)
CMYK	cmyk(57.1%, 59.6%, 0%, 38.8%)
CIE-LAB	lab(32.14, 29.25, -50.38)
CIE-LCH	lch(32.14, 58.25, 300.14°)
OKLab	oklab(42.69% 0.0257 -0.1445)
OKLCH	oklch(42.69% 0.147 280.1)
XYZ	xyz(10.0911, 7.1479, 32.2940)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433F9C #989C3F

analogous

#3F699C #433F9C #723F9C

triadic

#433F9C #9C433F #3F9C43

tetradic

#433F9C #9C3F69 #989C3F #3F9C72

square

#433F9C #9C3F69 #989C3F #3F9C72

split-complementary

#433F9C #9C723F #699C3F

monochromatic

#1E1C45 #302D70 #433F9C #605BBD #8A87CE

Accessibility & contrast

On white

8.64

#433F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#433F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433F9C

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433F9C	#FFFFFF	#000000	##FFFFFF
##433F9C	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00489A

Tritanopia (blue-blind)

#145567

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #433f9c;
/* rgb */ color: rgb(67, 63, 156);
/* oklch */ color: oklch(42.7% 0.147 280.1);

Tailwind

colors: {
  custom: {
    50: '#8074ba',
    500: '#433f9c',
    950: '#000000',
  },
}

SCSS

$custom: #433f9c;
$custom-light: #8074ba;
$custom-dark: #000000;

JSON

{
  "hex": "#433f9c",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 242.581,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42694,
    "c": 0.14678,
    "h": 280.1
  },
  "luminance": 0.07149
}

Semantic roles & 50–950 ramp

primary

#433F9C

secondary

#B6B97E

accent

#D256CD

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #433F9C

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

Preview Lab → · Contrast checker → · Palette generator →