#423D71#423D71

#423D71 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.1% C 0.086 H 286.1°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#423D71
RGB	rgb(66, 61, 113)
HSL	hsl(246, 30%, 34%)
HSV	hsv(246, 46%, 44%)
CMYK	cmyk(41.6%, 46%, 0%, 55.7%)
CIE-LAB	lab(28.61, 16.25, -29.40)
CIE-LCH	lch(28.61, 33.59, 298.93°)
OKLab	oklab(39.1% 0.0239 -0.0829)
OKLCH	oklch(39.1% 0.086 286.1)
XYZ	xyz(6.8953, 5.6878, 16.3541)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D71 #6C713D

analogous

#3D5271 #423D71 #5C3D71

triadic

#423D71 #71423D #3D7142

tetradic

#423D71 #713D52 #6C713D #3D715C

square

#423D71 #713D52 #6C713D #3D715C

split-complementary

#423D71 #715C3D #52713D

monochromatic

#141222 #2B2849 #423D71 #595299 #7A74B4

Accessibility & contrast

On white

9.82

#423D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#423D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D71

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D71	#FFFFFF	#000000	##FFFFFF
##423D71	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4573

Deuteranopia (green-blind)

#294270

Tritanopia (blue-blind)

#354751

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #423d71;
/* rgb */ color: rgb(66, 61, 113);
/* oklch */ color: oklch(39.1% 0.086 286.1);

Tailwind

colors: {
  custom: {
    50: '#79729a',
    500: '#423d71',
    950: '#000000',
  },
}

SCSS

$custom: #423d71;
$custom-light: #79729a;
$custom-dark: #000000;

JSON

{
  "hex": "#423d71",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 245.769,
    "s": 29.885,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39097,
    "c": 0.08631,
    "h": 286.1
  },
  "luminance": 0.05688
}

Semantic roles & 50–950 ramp

primary

#423D71

secondary

#9A9E6B

accent

#C662BC

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #423D71

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

Preview Lab → · Contrast checker → · Palette generator →