#423D82#423D82

#423D82 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 40.3% C 0.112 H 283.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#423D82
RGB	rgb(66, 61, 130)
HSL	hsl(244, 36%, 37%)
HSV	hsv(244, 53%, 51%)
CMYK	cmyk(49.2%, 53.1%, 0%, 49%)
CIE-LAB	lab(29.68, 21.71, -38.38)
CIE-LCH	lch(29.68, 44.09, 299.49°)
OKLab	oklab(40.25% 0.026 -0.1093)
OKLCH	oklch(40.25% 0.112 283.4)
XYZ	xyz(7.9436, 6.1071, 21.8750)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D82 #7D823D

analogous

#3D5A82 #423D82 #653D82

triadic

#423D82 #82423D #3D8242

tetradic

#423D82 #823D5A #7D823D #3D8265

square

#423D82 #823D5A #7D823D #3D8265

split-complementary

#423D82 #82653D #5A823D

monochromatic

#18162F #2D2958 #423D82 #5751AC #7E79C0

Accessibility & contrast

On white

9.45

#423D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#423D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D82

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D82	#FFFFFF	#000000	##FFFFFF
##423D82	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4884

Deuteranopia (green-blind)

#184480

Tritanopia (blue-blind)

#2C4C59

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #423d82;
/* rgb */ color: rgb(66, 61, 130);
/* oklch */ color: oklch(40.3% 0.112 283.4);

Tailwind

colors: {
  custom: {
    50: '#7b72a7',
    500: '#423d82',
    950: '#000000',
  },
}

SCSS

$custom: #423d82;
$custom-light: #7b72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#423d82",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 244.348,
    "s": 36.126,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4025,
    "c": 0.11232,
    "h": 283.4
  },
  "luminance": 0.06107
}

Semantic roles & 50–950 ramp

primary

#423D82

secondary

#A6AA71

accent

#CC5CC4

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A080F

muted

#7C7B7F

Preview Lab

Preview with #423D82

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

Preview Lab → · Contrast checker → · Palette generator →