#433BB5#433BB5

#433BB5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.185 H 278.5°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#433BB5
RGB	rgb(67, 59, 181)
HSL	hsl(244, 51%, 47%)
HSV	hsv(244, 67%, 71%)
CMYK	cmyk(63%, 67.4%, 0%, 29%)
CIE-LAB	lab(33.26, 40.02, -63.54)
CIE-LCH	lch(33.26, 75.09, 302.20°)
OKLab	oklab(44.15% 0.0275 -0.1832)
OKLCH	oklch(44.15% 0.185 278.5)
XYZ	xyz(12.2165, 7.6565, 44.5412)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.38

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433BB5 #ADB53B

analogous

#3B70B5 #433BB5 #803BB5

triadic

#433BB5 #B5433B #3BB543

tetradic

#433BB5 #B53B70 #ADB53B #3BB580

square

#433BB5 #B53B70 #ADB53B #3BB580

split-complementary

#433BB5 #B5803B #70B53B

monochromatic

#211D59 #322C87 #433BB5 #6862CC #9590DB

Accessibility & contrast

On white

8.30

#433BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#433BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433BB5

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433BB5	#FFFFFF	#000000	##FFFFFF
##433BB5	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #433bb5;
/* rgb */ color: rgb(67, 59, 181);
/* oklch */ color: oklch(44.1% 0.185 278.5);

Tailwind

colors: {
  custom: {
    50: '#8472cc',
    500: '#433bb5',
    950: '#000000',
  },
}

SCSS

$custom: #433bb5;
$custom-light: #8472cc;
$custom-dark: #000000;

JSON

{
  "hex": "#433bb5",
  "rgb": {
    "r": 67,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 243.934,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44148,
    "c": 0.18524,
    "h": 278.5
  },
  "luminance": 0.07657
}

Semantic roles & 50–950 ramp

primary

#433BB5

secondary

#C1C686

accent

#DA4DD1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433BB5

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

Preview Lab → · Contrast checker → · Palette generator →