#423698#423698

#423698 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.153 H 282.7°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#423698
RGB	rgb(66, 54, 152)
HSL	hsl(247, 48%, 40%)
HSV	hsv(247, 64%, 60%)
CMYK	cmyk(56.6%, 64.5%, 0%, 40.4%)
CIE-LAB	lab(29.57, 33.41, -52.12)
CIE-LCH	lch(29.57, 61.91, 302.66°)
OKLab	oklab(40.69% 0.0338 -0.1497)
OKLCH	oklch(40.69% 0.154 282.7)
XYZ	xyz(9.2317, 6.0630, 30.3835)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423698 #8C9836

analogous

#365B98 #423698 #733698

triadic

#423698 #984236 #369842

tetradic

#423698 #98365B #8C9836 #369873

square

#423698 #98365B #8C9836 #369873

split-complementary

#423698 #987336 #5B9836

monochromatic

#1B163E #2E266B #423698 #5A4CBF #8479CF

Accessibility & contrast

On white

9.49

#423698 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#423698 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423698

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423698	#FFFFFF	#000000	##FFFFFF
##423698	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#194E62

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #423698;
/* rgb */ color: rgb(66, 54, 152);
/* oklch */ color: oklch(40.7% 0.153 282.7);

Tailwind

colors: {
  custom: {
    50: '#7f6eb7',
    500: '#423698',
    950: '#000000',
  },
}

SCSS

$custom: #423698;
$custom-light: #7f6eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#423698",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 152
  },
  "hsl": {
    "h": 247.347,
    "s": 47.573,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40688,
    "c": 0.1535,
    "h": 282.7
  },
  "luminance": 0.06064
}

Semantic roles & 50–950 ramp

primary

#423698

secondary

#B0B872

accent

#D751C7

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423698

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

Preview Lab → · Contrast checker → · Palette generator →