#433D8D#433D8D

#433D8D is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.128 H 282.6°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#433D8D
RGB	rgb(67, 61, 141)
HSL	hsl(245, 40%, 40%)
HSV	hsv(245, 57%, 55%)
CMYK	cmyk(52.5%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(30.53, 25.55, -43.82)
CIE-LCH	lch(30.53, 50.73, 300.25°)
OKLab	oklab(41.15% 0.0279 -0.1252)
OKLCH	oklch(41.15% 0.128 282.6)
XYZ	xyz(8.7897, 6.4534, 25.9766)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433D8D #878D3D

analogous

#3D5F8D #433D8D #6B3D8D

triadic

#433D8D #8D433D #3D8D43

tetradic

#433D8D #8D3D5F #878D3D #3D8D6B

square

#433D8D #8D3D5F #878D3D #3D8D6B

split-complementary

#433D8D #8D6B3D #5F8D3D

monochromatic

#1A1838 #2F2B62 #433D8D #5A53B4 #837DC7

Accessibility & contrast

On white

9.17

#433D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#433D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433D8D

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433D8D	#FFFFFF	#000000	##FFFFFF
##433D8D	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4B90

Deuteranopia (green-blind)

#00458B

Tritanopia (blue-blind)

#264F5F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #433d8d;
/* rgb */ color: rgb(67, 61, 141);
/* oklch */ color: oklch(41.1% 0.128 282.6);

Tailwind

colors: {
  custom: {
    50: '#7d72af',
    500: '#433d8d',
    950: '#000000',
  },
}

SCSS

$custom: #433d8d;
$custom-light: #7d72af;
$custom-dark: #000000;

JSON

{
  "hex": "#433d8d",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 244.5,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41147,
    "c": 0.12831,
    "h": 282.6
  },
  "luminance": 0.06454
}

Semantic roles & 50–950 ramp

primary

#433D8D

secondary

#ACB175

accent

#CF58C7

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #433D8D

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

Preview Lab → · Contrast checker → · Palette generator →