#423979#423979

#423979 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.8% C 0.105 H 286.9°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#423979
RGB	rgb(66, 57, 121)
HSL	hsl(248, 36%, 35%)
HSV	hsv(248, 53%, 47%)
CMYK	cmyk(45.5%, 52.9%, 0%, 52.5%)
CIE-LAB	lab(28.02, 21.43, -35.40)
CIE-LCH	lch(28.02, 41.38, 301.19°)
OKLab	oklab(38.81% 0.0305 -0.1005)
OKLCH	oklch(38.81% 0.105 286.9)
XYZ	xyz(7.1601, 5.4647, 18.7630)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423979 #707939

analogous

#395079 #423979 #623979

triadic

#423979 #794239 #397942

tetradic

#423979 #793950 #707939 #397962

square

#423979 #793950 #707939 #397962

split-complementary

#423979 #796239 #507939

monochromatic

#151226 #2B254F #423979 #594DA3 #7B71BC

Accessibility & contrast

On white

10.03

#423979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#423979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423979

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423979	#FFFFFF	#000000	##FFFFFF
##423979	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D447B

Deuteranopia (green-blind)

#1C4078

Tritanopia (blue-blind)

#314653

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #423979;
/* rgb */ color: rgb(66, 57, 121);
/* oklch */ color: oklch(38.8% 0.105 286.9);

Tailwind

colors: {
  custom: {
    50: '#7a6fa0',
    500: '#423979',
    950: '#000000',
  },
}

SCSS

$custom: #423979;
$custom-light: #7a6fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#423979",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 121
  },
  "hsl": {
    "h": 248.438,
    "s": 35.955,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38814,
    "c": 0.10507,
    "h": 286.9
  },
  "luminance": 0.05465
}

Semantic roles & 50–950 ramp

primary

#423979

secondary

#9DA569

accent

#CC5CBC

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09070F

muted

#7B7A7E

Preview Lab

Preview with #423979

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

Preview Lab → · Contrast checker → · Palette generator →