#433F8A#433F8A

#433F8A is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.3% C 0.121 H 282.1°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#433F8A
RGB	rgb(67, 63, 138)
HSL	hsl(243, 37%, 39%)
HSV	hsv(243, 54%, 54%)
CMYK	cmyk(51.4%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(30.84, 23.26, -41.47)
CIE-LCH	lch(30.84, 47.55, 299.29°)
OKLab	oklab(41.31% 0.0254 -0.1183)
OKLCH	oklch(41.31% 0.121 282.1)
XYZ	xyz(8.6783, 6.5828, 24.8532)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433F8A #868A3F

analogous

#3F618A #433F8A #693F8A

triadic

#433F8A #8A433F #3F8A43

tetradic

#433F8A #8A3F61 #868A3F #3F8A69

square

#433F8A #8A3F61 #868A3F #3F8A69

split-complementary

#433F8A #8A693F #618A3F

monochromatic

#1A1936 #2F2C60 #433F8A #5A55B1 #837FC5

Accessibility & contrast

On white

9.07

#433F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#433F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433F8A

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433F8A	#FFFFFF	#000000	##FFFFFF
##433F8A	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174B8D

Deuteranopia (green-blind)

#114688

Tritanopia (blue-blind)

#28505E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #433f8a;
/* rgb */ color: rgb(67, 63, 138);
/* oklch */ color: oklch(41.3% 0.121 282.1);

Tailwind

colors: {
  custom: {
    50: '#7d74ad',
    500: '#433f8a',
    950: '#000000',
  },
}

SCSS

$custom: #433f8a;
$custom-light: #7d74ad;
$custom-dark: #000000;

JSON

{
  "hex": "#433f8a",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 243.2,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41311,
    "c": 0.12102,
    "h": 282.1
  },
  "luminance": 0.06583
}

Semantic roles & 50–950 ramp

primary

#433F8A

secondary

#ACAF76

accent

#CD5BC7

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #433F8A

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

Preview Lab → · Contrast checker → · Palette generator →