#423A82#423A82

#423A82 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.7% C 0.117 H 284.8°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#423A82
RGB	rgb(66, 58, 130)
HSL	hsl(247, 38%, 37%)
HSV	hsv(247, 55%, 51%)
CMYK	cmyk(49.2%, 55.4%, 0%, 49%)
CIE-LAB	lab(28.89, 23.67, -39.65)
CIE-LCH	lch(28.89, 46.18, 300.84°)
OKLab	oklab(39.66% 0.0298 -0.113)
OKLCH	oklch(39.66% 0.117 284.8)
XYZ	xyz(7.7879, 5.7957, 21.8231)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A82 #7A823A

analogous

#3A5682 #423A82 #663A82

triadic

#423A82 #82423A #3A8242

tetradic

#423A82 #823A56 #7A823A #3A8266

square

#423A82 #823A56 #7A823A #3A8266

split-complementary

#423A82 #82663A #56823A

monochromatic

#17142D #2D2758 #423A82 #574DAC #7D75C1

Accessibility & contrast

On white

9.73

#423A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#423A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A82

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A82	#FFFFFF	#000000	##FFFFFF
##423A82	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144684

Deuteranopia (green-blind)

#114280

Tritanopia (blue-blind)

#2C4A58

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423a82;
/* rgb */ color: rgb(66, 58, 130);
/* oklch */ color: oklch(39.7% 0.117 284.8);

Tailwind

colors: {
  custom: {
    50: '#7b70a7',
    500: '#423a82',
    950: '#000000',
  },
}

SCSS

$custom: #423a82;
$custom-light: #7b70a7;
$custom-dark: #000000;

JSON

{
  "hex": "#423a82",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 130
  },
  "hsl": {
    "h": 246.667,
    "s": 38.298,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3966,
    "c": 0.11688,
    "h": 284.8
  },
  "luminance": 0.05796
}

Semantic roles & 50–950 ramp

primary

#423A82

secondary

#A4AB6D

accent

#CE5AC1

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #423A82

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

Preview Lab → · Contrast checker → · Palette generator →