#433FA5#433FA5

#433FA5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.159 H 279.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#433FA5
RGB	rgb(67, 63, 165)
HSL	hsl(242, 45%, 45%)
HSV	hsv(242, 62%, 65%)
CMYK	cmyk(59.4%, 61.8%, 0%, 35.3%)
CIE-LAB	lab(32.84, 32.26, -54.67)
CIE-LCH	lch(32.84, 63.48, 300.55°)
OKLab	oklab(43.43% 0.0254 -0.1571)
OKLCH	oklch(43.43% 0.159 279.2)
XYZ	xyz(10.8816, 7.4641, 36.4573)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433FA5 #A1A53F

analogous

#3F6EA5 #433FA5 #763FA5

triadic

#433FA5 #A5433F #3FA543

tetradic

#433FA5 #A53F6E #A1A53F #3FA576

square

#433FA5 #A53F6E #A1A53F #3FA576

split-complementary

#433FA5 #A5763F #6EA53F

monochromatic

#1F1D4C #312E79 #433FA5 #635FC2 #8E8CD3

Accessibility & contrast

On white

8.42

#433FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#433FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433FA5

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433FA5	#FFFFFF	#000000	##FFFFFF
##433FA5	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0049A3

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433fa5;
/* rgb */ color: rgb(67, 63, 165);
/* oklch */ color: oklch(43.4% 0.159 279.2);

Tailwind

colors: {
  custom: {
    50: '#8174c0',
    500: '#433fa5',
    950: '#000000',
  },
}

SCSS

$custom: #433fa5;
$custom-light: #8174c0;
$custom-dark: #000000;

JSON

{
  "hex": "#433fa5",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 165
  },
  "hsl": {
    "h": 242.353,
    "s": 44.737,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43429,
    "c": 0.15919,
    "h": 279.2
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#433FA5

secondary

#BBBE82

accent

#D453CF

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #433FA5

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

Preview Lab → · Contrast checker → · Palette generator →