#423790#423790

#423790 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.141 H 283.6°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#423790
RGB	rgb(66, 55, 144)
HSL	hsl(247, 45%, 39%)
HSV	hsv(247, 62%, 56%)
CMYK	cmyk(54.2%, 61.8%, 0%, 43.5%)
CIE-LAB	lab(29.17, 30.17, -47.87)
CIE-LCH	lch(29.17, 56.59, 302.22°)
OKLab	oklab(40.19% 0.0333 -0.1372)
OKLCH	oklch(40.19% 0.141 283.6)
XYZ	xyz(8.6455, 5.9038, 27.0641)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423790 #859037

analogous

#375990 #423790 #6F3790

triadic

#423790 #904237 #379042

tetradic

#423790 #903759 #859037 #37906F

square

#423790 #903759 #859037 #37906F

split-complementary

#423790 #906F37 #599037

monochromatic

#191537 #2E2664 #423790 #584ABA #8177CB

Accessibility & contrast

On white

9.63

#423790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#423790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423790

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423790	#FFFFFF	#000000	##FFFFFF
##423790	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#224C5E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #423790;
/* rgb */ color: rgb(66, 55, 144);
/* oklch */ color: oklch(40.2% 0.141 283.6);

Tailwind

colors: {
  custom: {
    50: '#7e6eb1',
    500: '#423790',
    950: '#000000',
  },
}

SCSS

$custom: #423790;
$custom-light: #7e6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#423790",
  "rgb": {
    "r": 66,
    "g": 55,
    "b": 144
  },
  "hsl": {
    "h": 247.416,
    "s": 44.724,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40192,
    "c": 0.14122,
    "h": 283.6
  },
  "luminance": 0.05904
}

Semantic roles & 50–950 ramp

primary

#423790

secondary

#ABB46F

accent

#D453C4

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #423790

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

Preview Lab → · Contrast checker → · Palette generator →