#433BB1#433BB1

#433BB1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.180 H 278.9°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#433BB1
RGB	rgb(67, 59, 177)
HSL	hsl(244, 50%, 46%)
HSV	hsv(244, 67%, 69%)
CMYK	cmyk(62.1%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(32.91, 38.71, -61.74)
CIE-LCH	lch(32.91, 72.87, 302.09°)
OKLab	oklab(43.79% 0.028 -0.1779)
OKLCH	oklch(43.79% 0.18 278.9)
XYZ	xyz(11.8120, 7.4946, 42.4106)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.46

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433BB1 #A9B13B

analogous

#3B6EB1 #433BB1 #7E3BB1

triadic

#433BB1 #B1433B #3BB143

tetradic

#433BB1 #B13B6E #A9B13B #3BB17E

square

#433BB1 #B13B6E #A9B13B #3BB17E

split-complementary

#433BB1 #B17E3B #6EB13B

monochromatic

#201C55 #322C83 #433BB1 #675FCA #928DD9

Accessibility & contrast

On white

8.40

#433BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#433BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433BB1

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433BB1	#FFFFFF	#000000	##FFFFFF
##433BB1	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0049AF

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433bb1;
/* rgb */ color: rgb(67, 59, 177);
/* oklch */ color: oklch(43.8% 0.180 278.9);

Tailwind

colors: {
  custom: {
    50: '#8472c9',
    500: '#433bb1',
    950: '#000000',
  },
}

SCSS

$custom: #433bb1;
$custom-light: #8472c9;
$custom-dark: #000000;

JSON

{
  "hex": "#433bb1",
  "rgb": {
    "r": 67,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 244.068,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43787,
    "c": 0.1801,
    "h": 278.9
  },
  "luminance": 0.07496
}

Semantic roles & 50–950 ramp

primary

#433BB1

secondary

#BFC484

accent

#DA4ED0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433BB1

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

Preview Lab → · Contrast checker → · Palette generator →