#423593#423593

#423593 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.148 H 283.8°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#423593
RGB	rgb(66, 53, 147)
HSL	hsl(248, 47%, 39%)
HSV	hsv(248, 64%, 58%)
CMYK	cmyk(55.1%, 63.9%, 0%, 42.4%)
CIE-LAB	lab(28.93, 32.40, -50.11)
CIE-LCH	lch(28.93, 59.67, 302.89°)
OKLab	oklab(40.09% 0.0352 -0.1438)
OKLCH	oklch(40.09% 0.148 283.8)
XYZ	xyz(8.7847, 5.8105, 28.2568)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423593 #869335

analogous

#355793 #423593 #713593

triadic

#423593 #934235 #359342

tetradic

#423593 #933557 #869335 #359371

square

#423593 #933557 #869335 #359371

split-complementary

#423593 #937135 #579335

monochromatic

#1A1539 #2E2566 #423593 #5848BD #8175CD

Accessibility & contrast

On white

9.71

#423593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#423593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423593

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423593	#FFFFFF	#000000	##FFFFFF
##423593	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004796

Deuteranopia (green-blind)

#004191

Tritanopia (blue-blind)

#1F4C5F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423593;
/* rgb */ color: rgb(66, 53, 147);
/* oklch */ color: oklch(40.1% 0.148 283.8);

Tailwind

colors: {
  custom: {
    50: '#7e6db3',
    500: '#423593',
    950: '#000000',
  },
}

SCSS

$custom: #423593;
$custom-light: #7e6db3;
$custom-dark: #000000;

JSON

{
  "hex": "#423593",
  "rgb": {
    "r": 66,
    "g": 53,
    "b": 147
  },
  "hsl": {
    "h": 248.298,
    "s": 47,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40092,
    "c": 0.14806,
    "h": 283.8
  },
  "luminance": 0.05811
}

Semantic roles & 50–950 ramp

primary

#423593

secondary

#ACB66E

accent

#D751C4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423593

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

Preview Lab → · Contrast checker → · Palette generator →