#433D8B#433D8B

#433D8B is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.125 H 282.8°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#433D8B
RGB	rgb(67, 61, 139)
HSL	hsl(245, 39%, 39%)
HSV	hsv(245, 56%, 55%)
CMYK	cmyk(51.8%, 56.1%, 0%, 45.5%)
CIE-LAB	lab(30.39, 24.89, -42.82)
CIE-LCH	lch(30.39, 49.53, 300.17°)
OKLab	oklab(41% 0.0279 -0.1223)
OKLCH	oklch(41% 0.125 282.8)
XYZ	xyz(8.6423, 6.3944, 25.2000)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433D8B #858B3D

analogous

#3D5E8B #433D8B #6A3D8B

triadic

#433D8B #8B433D #3D8B43

tetradic

#433D8B #8B3D5E #858B3D #3D8B6A

square

#433D8B #8B3D5E #858B3D #3D8B6A

split-complementary

#433D8B #8B6A3D #5E8B3D

monochromatic

#1A1836 #2E2A60 #433D8B #5A52B3 #827DC6

Accessibility & contrast

On white

9.21

#433D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#433D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433D8B

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433D8B	#FFFFFF	#000000	##FFFFFF
##433D8B	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4A8E

Deuteranopia (green-blind)

#064589

Tritanopia (blue-blind)

#274E5E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #433d8b;
/* rgb */ color: rgb(67, 61, 139);
/* oklch */ color: oklch(41.0% 0.125 282.8);

Tailwind

colors: {
  custom: {
    50: '#7d72ad',
    500: '#433d8b',
    950: '#000000',
  },
}

SCSS

$custom: #433d8b;
$custom-light: #7d72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#433d8b",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 139
  },
  "hsl": {
    "h": 244.615,
    "s": 39,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40996,
    "c": 0.12542,
    "h": 282.8
  },
  "luminance": 0.06395
}

Semantic roles & 50–950 ramp

primary

#433D8B

secondary

#ABB074

accent

#CF59C6

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #433D8B

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

Preview Lab → · Contrast checker → · Palette generator →