#433DB3#433DB3

#433DB3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.180 H 278.3°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#433DB3
RGB	rgb(67, 61, 179)
HSL	hsl(243, 49%, 47%)
HSV	hsv(243, 66%, 70%)
CMYK	cmyk(62.6%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(33.53, 38.16, -61.91)
CIE-LCH	lch(33.53, 72.72, 301.65°)
OKLab	oklab(44.29% 0.0261 -0.1784)
OKLCH	oklch(44.29% 0.18 278.3)
XYZ	xyz(12.1176, 7.7845, 43.5031)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.09

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DB3 #ADB33D

analogous

#3D72B3 #433DB3 #7E3DB3

triadic

#433DB3 #B3433D #3DB343

tetradic

#433DB3 #B33D72 #ADB33D #3DB37E

square

#433DB3 #B33D72 #ADB33D #3DB37E

split-complementary

#433DB3 #B37E3D #72B33D

monochromatic

#211E58 #322D85 #433DB3 #6863CA #9591D9

Accessibility & contrast

On white

8.21

#433DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#433DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DB3

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DB3	#FFFFFF	#000000	##FFFFFF
##433DB3	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #433db3;
/* rgb */ color: rgb(67, 61, 179);
/* oklch */ color: oklch(44.3% 0.180 278.3);

Tailwind

colors: {
  custom: {
    50: '#8473cb',
    500: '#433db3',
    950: '#000000',
  },
}

SCSS

$custom: #433db3;
$custom-light: #8473cb;
$custom-dark: #000000;

JSON

{
  "hex": "#433db3",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 243.051,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44292,
    "c": 0.1803,
    "h": 278.3
  },
  "luminance": 0.07785
}

Semantic roles & 50–950 ramp

primary

#433DB3

secondary

#C1C587

accent

#D94FD2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433DB3

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

Preview Lab → · Contrast checker → · Palette generator →