#423985#423985

#423985 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.123 H 284.7°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#423985
RGB	rgb(66, 57, 133)
HSL	hsl(247, 40%, 37%)
HSV	hsv(247, 57%, 52%)
CMYK	cmyk(50.4%, 57.1%, 0%, 47.8%)
CIE-LAB	lab(28.84, 25.30, -41.59)
CIE-LCH	lch(28.84, 48.68, 301.31°)
OKLab	oklab(39.69% 0.0312 -0.1187)
OKLCH	oklch(39.69% 0.123 284.7)
XYZ	xyz(7.9423, 5.7776, 22.8824)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423985 #7C8539

analogous

#395685 #423985 #683985

triadic

#423985 #854239 #398542

tetradic

#423985 #853956 #7C8539 #398568

square

#423985 #853956 #7C8539 #398568

split-complementary

#423985 #856839 #568539

monochromatic

#17142F #2D275A #423985 #574BB0 #7E75C4

Accessibility & contrast

On white

9.74

#423985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#423985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423985

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423985	#FFFFFF	#000000	##FFFFFF
##423985	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4688

Deuteranopia (green-blind)

#064283

Tritanopia (blue-blind)

#2A4A59

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423985;
/* rgb */ color: rgb(66, 57, 133);
/* oklch */ color: oklch(39.7% 0.123 284.7);

Tailwind

colors: {
  custom: {
    50: '#7c6fa9',
    500: '#423985',
    950: '#000000',
  },
}

SCSS

$custom: #423985;
$custom-light: #7c6fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#423985",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 133
  },
  "hsl": {
    "h": 247.105,
    "s": 40,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39692,
    "c": 0.12276,
    "h": 284.7
  },
  "luminance": 0.05778
}

Semantic roles & 50–950 ramp

primary

#423985

secondary

#A5AD6D

accent

#D058C2

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #423985

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

Preview Lab → · Contrast checker → · Palette generator →