#433FB9#433FB9

#433FB9 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.2% C 0.186 H 277.4°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#433FB9
RGB	rgb(67, 63, 185)
HSL	hsl(242, 49%, 49%)
HSV	hsv(242, 66%, 73%)
CMYK	cmyk(63.8%, 65.9%, 0%, 27.5%)
CIE-LAB	lab(34.50, 38.93, -63.88)
CIE-LCH	lch(34.50, 74.80, 301.36°)
OKLab	oklab(45.15% 0.0239 -0.1842)
OKLCH	oklch(45.15% 0.186 277.4)
XYZ	xyz(12.8464, 8.2500, 46.8050)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433FB9 #B5B93F

analogous

#3F78B9 #433FB9 #803FB9

triadic

#433FB9 #B9433F #3FB943

tetradic

#433FB9 #B93F78 #B5B93F #3FB980

square

#433FB9 #B93F78 #B5B93F #3FB980

split-complementary

#433FB9 #B9803F #78B93F

monochromatic

#22205E #322F8B #433FB9 #6C69CC #9997DC

Accessibility & contrast

On white

7.92

#433FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#433FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433FB9

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433FB9	#FFFFFF	#000000	##FFFFFF
##433FB9	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BD

Deuteranopia (green-blind)

#004CB7

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #433fb9;
/* rgb */ color: rgb(67, 63, 185);
/* oklch */ color: oklch(45.2% 0.186 277.4);

Tailwind

colors: {
  custom: {
    50: '#8575cf',
    500: '#433fb9',
    950: '#000000',
  },
}

SCSS

$custom: #433fb9;
$custom-light: #8575cf;
$custom-dark: #000000;

JSON

{
  "hex": "#433fb9",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 185
  },
  "hsl": {
    "h": 241.967,
    "s": 49.194,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45154,
    "c": 0.1857,
    "h": 277.4
  },
  "luminance": 0.08251
}

Semantic roles & 50–950 ramp

primary

#433FB9

secondary

#C5C78D

accent

#D94FD4

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433FB9

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

Preview Lab → · Contrast checker → · Palette generator →