#423199#423199

#423199 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.161 H 283.8°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#423199
RGB	rgb(66, 49, 153)
HSL	hsl(250, 51%, 40%)
HSV	hsv(250, 68%, 60%)
CMYK	cmyk(56.9%, 68%, 0%, 40%)
CIE-LAB	lab(28.52, 36.77, -54.44)
CIE-LCH	lch(28.52, 65.70, 304.04°)
OKLab	oklab(39.95% 0.0385 -0.1565)
OKLCH	oklch(39.95% 0.161 283.8)
XYZ	xyz(9.0931, 5.6542, 30.7430)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423199 #889931

analogous

#315499 #423199 #763199

triadic

#423199 #994231 #319942

tetradic

#423199 #993154 #889931 #319976

square

#423199 #993154 #889931 #319976

split-complementary

#423199 #997631 #549931

monochromatic

#1A133C #2E226B #423199 #5944C3 #8272D2

Accessibility & contrast

On white

9.85

#423199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#423199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423199

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423199	#FFFFFF	#000000	##FFFFFF
##423199	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#184C61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #423199;
/* rgb */ color: rgb(66, 49, 153);
/* oklch */ color: oklch(40.0% 0.161 283.8);

Tailwind

colors: {
  custom: {
    50: '#806ab8',
    500: '#423199',
    950: '#000000',
  },
}

SCSS

$custom: #423199;
$custom-light: #806ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#423199",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 153
  },
  "hsl": {
    "h": 249.808,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39954,
    "c": 0.16122,
    "h": 283.8
  },
  "luminance": 0.05655
}

Semantic roles & 50–950 ramp

primary

#423199

secondary

#ADBA6C

accent

#DB4DC4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0611

muted

#7C7A80

Preview Lab

Preview with #423199

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

Preview Lab → · Contrast checker → · Palette generator →