#423597#423597

#423597 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.4% C 0.153 H 283.1°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#423597
RGB	rgb(66, 53, 151)
HSL	hsl(248, 48%, 40%)
HSV	hsv(248, 65%, 59%)
CMYK	cmyk(56.3%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(29.26, 33.70, -52.02)
CIE-LCH	lch(29.26, 61.99, 302.94°)
OKLab	oklab(40.43% 0.0349 -0.1494)
OKLCH	oklch(40.43% 0.153 283.1)
XYZ	xyz(9.1041, 5.9383, 29.9386)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423597 #8A9735

analogous

#355997 #423597 #733597

triadic

#423597 #974235 #359742

tetradic

#423597 #973559 #8A9735 #359773

square

#423597 #973559 #8A9735 #359773

split-complementary

#423597 #977335 #599735

monochromatic

#1A153C #2E256A #423597 #594ABF #8377CF

Accessibility & contrast

On white

9.60

#423597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#423597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423597

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423597	#FFFFFF	#000000	##FFFFFF
##423597	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#1A4D61

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #423597;
/* rgb */ color: rgb(66, 53, 151);
/* oklch */ color: oklch(40.4% 0.153 283.1);

Tailwind

colors: {
  custom: {
    50: '#7f6db6',
    500: '#423597',
    950: '#000000',
  },
}

SCSS

$custom: #423597;
$custom-light: #7f6db6;
$custom-dark: #000000;

JSON

{
  "hex": "#423597",
  "rgb": {
    "r": 66,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 247.959,
    "s": 48.039,
    "l": 40
  },
  "oklch": {
    "l": 0.40433,
    "c": 0.15346,
    "h": 283.1
  },
  "luminance": 0.05939
}

Semantic roles & 50–950 ramp

primary

#423597

secondary

#AEB870

accent

#D850C6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423597

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

Preview Lab → · Contrast checker → · Palette generator →