#433BBB#433BBB

#433BBB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.7% C 0.193 H 278.0°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#433BBB
RGB	rgb(67, 59, 187)
HSL	hsl(244, 52%, 48%)
HSV	hsv(244, 68%, 73%)
CMYK	cmyk(64.2%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(33.79, 41.98, -66.21)
CIE-LCH	lch(33.79, 78.40, 302.37°)
OKLab	oklab(44.7% 0.0267 -0.191)
OKLCH	oklch(44.7% 0.193 278)
XYZ	xyz(12.8455, 7.9080, 47.8536)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433BBB #B3BB3B

analogous

#3B73BB #433BBB #833BBB

triadic

#433BBB #BB433B #3BBB43

tetradic

#433BBB #BB3B73 #B3BB3B #3BBB83

square

#433BBB #BB3B73 #B3BB3B #3BBB83

split-complementary

#433BBB #BB833B #73BB3B

monochromatic

#221E5E #322C8C #433BBB #6B65CE #9893DD

Accessibility & contrast

On white

8.13

#433BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#433BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433BBB

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433BBB	#FFFFFF	#000000	##FFFFFF
##433BBB	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #433bbb;
/* rgb */ color: rgb(67, 59, 187);
/* oklch */ color: oklch(44.7% 0.193 278.0);

Tailwind

colors: {
  custom: {
    50: '#8672d1',
    500: '#433bbb',
    950: '#000000',
  },
}

SCSS

$custom: #433bbb;
$custom-light: #8672d1;
$custom-dark: #000000;

JSON

{
  "hex": "#433bbb",
  "rgb": {
    "r": 67,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 243.75,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44696,
    "c": 0.19288,
    "h": 278
  },
  "luminance": 0.07909
}

Semantic roles & 50–950 ramp

primary

#433BBB

secondary

#C4C88A

accent

#DB4CD3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433BBB

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

Preview Lab → · Contrast checker → · Palette generator →