#423690#423690

#423690 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.143 H 284.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#423690
RGB	rgb(66, 54, 144)
HSL	hsl(248, 45%, 39%)
HSV	hsv(248, 63%, 56%)
CMYK	cmyk(54.2%, 62.5%, 0%, 43.5%)
CIE-LAB	lab(28.93, 30.80, -48.27)
CIE-LCH	lch(28.93, 57.26, 302.55°)
OKLab	oklab(40.02% 0.0344 -0.1384)
OKLCH	oklch(40.02% 0.143 284)
XYZ	xyz(8.5985, 5.8097, 27.0485)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423690 #849036

analogous

#365790 #423690 #6F3690

triadic

#423690 #904236 #369042

tetradic

#423690 #903657 #849036 #36906F

square

#423690 #903657 #849036 #36906F

split-complementary

#423690 #906F36 #579036

monochromatic

#191537 #2E2563 #423690 #5849BB #8175CB

Accessibility & contrast

On white

9.71

#423690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#423690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423690

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423690	#FFFFFF	#000000	##FFFFFF
##423690	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)

#004793

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#224B5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423690;
/* rgb */ color: rgb(66, 54, 144);
/* oklch */ color: oklch(40.0% 0.143 284.0);

Tailwind

colors: {
  custom: {
    50: '#7e6db1',
    500: '#423690',
    950: '#000000',
  },
}

SCSS

$custom: #423690;
$custom-light: #7e6db1;
$custom-dark: #000000;

JSON

{
  "hex": "#423690",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 144
  },
  "hsl": {
    "h": 248,
    "s": 45.455,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40016,
    "c": 0.14259,
    "h": 284
  },
  "luminance": 0.0581
}

Semantic roles & 50–950 ramp

primary

#423690

secondary

#ABB46E

accent

#D553C4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #423690

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

Preview Lab → · Contrast checker → · Palette generator →