#423BAE#423BAE

#423BAE is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.176 H 278.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#423BAE
RGB	rgb(66, 59, 174)
HSL	hsl(244, 49%, 46%)
HSV	hsv(244, 66%, 68%)
CMYK	cmyk(62.1%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(32.57, 37.57, -60.50)
CIE-LCH	lch(32.57, 71.22, 301.84°)
OKLab	oklab(43.44% 0.027 -0.1743)
OKLCH	oklch(43.44% 0.176 278.8)
XYZ	xyz(11.4483, 7.3413, 40.8499)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423BAE #A7AE3B

analogous

#3B6DAE #423BAE #7B3BAE

triadic

#423BAE #AE423B #3BAE42

tetradic

#423BAE #AE3B6D #A7AE3B #3BAE7B

square

#423BAE #AE3B6D #A7AE3B #3BAE7B

split-complementary

#423BAE #AE7B3B #6DAE3B

monochromatic

#1F1C53 #312C80 #423BAE #645EC8 #908CD8

Accessibility & contrast

On white

8.51

#423BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#423BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BAE

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423BAE	#FFFFFF	#000000	##FFFFFF
##423BAE	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0048AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #423bae;
/* rgb */ color: rgb(66, 59, 174);
/* oklch */ color: oklch(43.4% 0.176 278.8);

Tailwind

colors: {
  custom: {
    50: '#8372c7',
    500: '#423bae',
    950: '#000000',
  },
}

SCSS

$custom: #423bae;
$custom-light: #8372c7;
$custom-dark: #000000;

JSON

{
  "hex": "#423bae",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 243.652,
    "s": 49.356,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43444,
    "c": 0.17639,
    "h": 278.8
  },
  "luminance": 0.07342
}

Semantic roles & 50–950 ramp

primary

#423BAE

secondary

#BEC282

accent

#D94FD0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #423BAE

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

Preview Lab → · Contrast checker → · Palette generator →