#423683#423683

#423683 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.124 H 286.2°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#423683
RGB	rgb(66, 54, 131)
HSL	hsl(249, 42%, 36%)
HSV	hsv(249, 59%, 51%)
CMYK	cmyk(49.6%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(27.94, 26.59, -41.80)
CIE-LCH	lch(27.94, 49.55, 302.46°)
OKLab	oklab(38.98% 0.0348 -0.1194)
OKLCH	oklch(38.98% 0.124 286.2)
XYZ	xyz(7.6615, 5.4349, 22.1137)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423683 #778336

analogous

#365183 #423683 #693683

triadic

#423683 #834236 #368342

tetradic

#423683 #833651 #778336 #368369

square

#423683 #833651 #778336 #368369

split-complementary

#423683 #836936 #518336

monochromatic

#16122C #2C2458 #423683 #5848AE #7D70C4

Accessibility & contrast

On white

10.06

#423683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#423683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423683

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423683	#FFFFFF	#000000	##FFFFFF
##423683	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024486

Deuteranopia (green-blind)

#004081

Tritanopia (blue-blind)

#2C4757

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #423683;
/* rgb */ color: rgb(66, 54, 131);
/* oklch */ color: oklch(39.0% 0.124 286.2);

Tailwind

colors: {
  custom: {
    50: '#7c6da8',
    500: '#423683',
    950: '#000000',
  },
}

SCSS

$custom: #423683;
$custom-light: #7c6da8;
$custom-dark: #000000;

JSON

{
  "hex": "#423683",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 249.351,
    "s": 41.622,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38976,
    "c": 0.12434,
    "h": 286.2
  },
  "luminance": 0.05435
}

Semantic roles & 50–950 ramp

primary

#423683

secondary

#A2AC68

accent

#D156BE

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #423683

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

Preview Lab → · Contrast checker → · Palette generator →