#4023D4#4023D4

#4023D4 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 44.1% C 0.244 H 276.9°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#4023D4
RGB	rgb(64, 35, 212)
HSL	hsl(250, 72%, 48%)
HSV	hsv(250, 83%, 83%)
CMYK	cmyk(69.8%, 83.5%, 0%, 16.9%)
CIE-LAB	lab(31.91, 61.25, -83.94)
CIE-LCH	lch(31.91, 103.91, 306.12°)
OKLab	oklab(44.07% 0.0294 -0.2425)
OKLCH	oklch(44.07% 0.244 276.9)
XYZ	xyz(14.5952, 7.0442, 62.8651)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4023D4 #B7D423

analogous

#235ED4 #4023D4 #9923D4

triadic

#4023D4 #D44023 #23D440

tetradic

#4023D4 #D4235E #B7D423 #23D499

square

#4023D4 #D4235E #B7D423 #23D499

split-complementary

#4023D4 #D49923 #5ED423

monochromatic

#20126B #301A9F #4023D4 #6952E2 #9786EB

Accessibility & contrast

On white

8.72

#4023D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4023D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4023D4

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4023D4	#FFFFFF	#000000	##FFFFFF
##4023D4	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D9

Deuteranopia (green-blind)

#0043D1

Tritanopia (blue-blind)

#005D7F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4023d4;
/* rgb */ color: rgb(64, 35, 212);
/* oklch */ color: oklch(44.1% 0.244 276.9);

Tailwind

colors: {
  custom: {
    50: '#8b66e3',
    500: '#4023d4',
    950: '#000000',
  },
}

SCSS

$custom: #4023d4;
$custom-light: #8b66e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4023d4",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 212
  },
  "hsl": {
    "h": 249.831,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44071,
    "c": 0.24429,
    "h": 276.9
  },
  "luminance": 0.07046
}

Semantic roles & 50–950 ramp

primary

#4023D4

secondary

#C6D47E

accent

#EE39D1

background

#F9F6FE

surface

#F2EBFC

border

#CCC6D5

text

#0E0616

muted

#7E7A84

Preview Lab

Preview with #4023D4

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

Preview Lab → · Contrast checker → · Palette generator →