#423B68#423B68

#423B68 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.075 H 289.5°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#423B68
RGB	rgb(66, 59, 104)
HSL	hsl(249, 28%, 32%)
HSV	hsv(249, 43%, 41%)
CMYK	cmyk(36.5%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(27.53, 14.80, -25.36)
CIE-LCH	lch(27.53, 29.36, 300.27°)
OKLab	oklab(38.11% 0.0251 -0.0712)
OKLCH	oklch(38.11% 0.075 289.5)
XYZ	xyz(6.3088, 5.2855, 13.7818)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B68 #61683B

analogous

#3B4B68 #423B68 #593B68

triadic

#423B68 #68423B #3B6842

tetradic

#423B68 #683B4B #61683B #3B6859

square

#423B68 #683B4B #61683B #3B6859

split-complementary

#423B68 #68593B #4B683B

monochromatic

#100F1A #292541 #423B68 #5B518F #7970AE

Accessibility & contrast

On white

10.21

#423B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#423B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B68

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B68	#FFFFFF	#000000	##FFFFFF
##423B68	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D426A

Deuteranopia (green-blind)

#2D4067

Tritanopia (blue-blind)

#39434C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #423b68;
/* rgb */ color: rgb(66, 59, 104);
/* oklch */ color: oklch(38.1% 0.075 289.5);

Tailwind

colors: {
  custom: {
    50: '#787193',
    500: '#423b68',
    950: '#000000',
  },
}

SCSS

$custom: #423b68;
$custom-light: #787193;
$custom-dark: #000000;

JSON

{
  "hex": "#423b68",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 249.333,
    "s": 27.607,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38111,
    "c": 0.07548,
    "h": 289.5
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#423B68

secondary

#909867

accent

#C464B5

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #423B68

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

Preview Lab → · Contrast checker → · Palette generator →