#433F9D#433F9D

#433F9D is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.148 H 280.0°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#433F9D
RGB	rgb(67, 63, 157)
HSL	hsl(243, 43%, 43%)
HSV	hsv(243, 60%, 62%)
CMYK	cmyk(57.3%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(32.22, 29.59, -50.86)
CIE-LCH	lch(32.22, 58.84, 300.19°)
OKLab	oklab(42.77% 0.0257 -0.1459)
OKLCH	oklch(42.77% 0.148 280)
XYZ	xyz(10.1761, 7.1820, 32.7418)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433F9D #999D3F

analogous

#3F6A9D #433F9D #723F9D

triadic

#433F9D #9D433F #3F9D43

tetradic

#433F9D #9D3F6A #999D3F #3F9D72

square

#433F9D #9D3F6A #999D3F #3F9D72

split-complementary

#433F9D #9D723F #6A9D3F

monochromatic

#1E1C46 #302D71 #433F9D #605CBD #8A87CF

Accessibility & contrast

On white

8.62

#433F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#433F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433F9D

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433F9D	#FFFFFF	#000000	##FFFFFF
##433F9D	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#135568

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #433f9d;
/* rgb */ color: rgb(67, 63, 157);
/* oklch */ color: oklch(42.8% 0.148 280.0);

Tailwind

colors: {
  custom: {
    50: '#8074bb',
    500: '#433f9d',
    950: '#000000',
  },
}

SCSS

$custom: #433f9d;
$custom-light: #8074bb;
$custom-dark: #000000;

JSON

{
  "hex": "#433f9d",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 242.553,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42774,
    "c": 0.14818,
    "h": 280
  },
  "luminance": 0.07183
}

Semantic roles & 50–950 ramp

primary

#433F9D

secondary

#B7BA7E

accent

#D355CD

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #433F9D

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

Preview Lab → · Contrast checker → · Palette generator →