#423D85#423D85

#423D85 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.5% C 0.117 H 283.0°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#423D85
RGB	rgb(66, 61, 133)
HSL	hsl(244, 37%, 38%)
HSV	hsv(244, 54%, 52%)
CMYK	cmyk(50.4%, 54.1%, 0%, 47.8%)
CIE-LAB	lab(29.88, 22.69, -39.92)
CIE-LCH	lch(29.88, 45.91, 299.61°)
OKLab	oklab(40.47% 0.0262 -0.1138)
OKLCH	oklch(40.47% 0.117 283)
XYZ	xyz(8.1479, 6.1888, 22.9510)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D85 #80853D

analogous

#3D5C85 #423D85 #663D85

triadic

#423D85 #85423D #3D8542

tetradic

#423D85 #853D5C #80853D #3D8566

square

#423D85 #853D5C #80853D #3D8566

split-complementary

#423D85 #85663D #5C853D

monochromatic

#181731 #2D2A5B #423D85 #5750AF #7F7AC2

Accessibility & contrast

On white

9.38

#423D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#423D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D85

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D85	#FFFFFF	#000000	##FFFFFF
##423D85	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184988

Deuteranopia (green-blind)

#134483

Tritanopia (blue-blind)

#2A4D5B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #423d85;
/* rgb */ color: rgb(66, 61, 133);
/* oklch */ color: oklch(40.5% 0.117 283.0);

Tailwind

colors: {
  custom: {
    50: '#7b72a9',
    500: '#423d85',
    950: '#000000',
  },
}

SCSS

$custom: #423d85;
$custom-light: #7b72a9;
$custom-dark: #000000;

JSON

{
  "hex": "#423d85",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 133
  },
  "hsl": {
    "h": 244.167,
    "s": 37.113,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40467,
    "c": 0.11678,
    "h": 283
  },
  "luminance": 0.06189
}

Semantic roles & 50–950 ramp

primary

#423D85

secondary

#A8AC72

accent

#CD5BC5

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #423D85

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

Preview Lab → · Contrast checker → · Palette generator →