#423587#423587

#423587 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.131 H 285.9°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#423587
RGB	rgb(66, 53, 135)
HSL	hsl(250, 44%, 37%)
HSV	hsv(250, 61%, 53%)
CMYK	cmyk(51.1%, 60.7%, 0%, 47.1%)
CIE-LAB	lab(27.99, 28.52, -44.22)
CIE-LCH	lch(27.99, 52.62, 302.82°)
OKLab	oklab(39.11% 0.0359 -0.1265)
OKLCH	oklch(39.11% 0.131 285.9)
XYZ	xyz(7.8918, 5.4533, 23.5537)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423587 #7A8735

analogous

#355187 #423587 #6B3587

triadic

#423587 #874235 #358742

tetradic

#423587 #873551 #7A8735 #35876B

square

#423587 #873551 #7A8735 #35876B

split-complementary

#423587 #876B35 #518735

monochromatic

#17122F #2D245B #423587 #5746B3 #7D70C7

Accessibility & contrast

On white

10.04

#423587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#423587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423587

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423587	#FFFFFF	#000000	##FFFFFF
##423587	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448A

Deuteranopia (green-blind)

#004085

Tritanopia (blue-blind)

#294858

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #423587;
/* rgb */ color: rgb(66, 53, 135);
/* oklch */ color: oklch(39.1% 0.131 285.9);

Tailwind

colors: {
  custom: {
    50: '#7c6dab',
    500: '#423587',
    950: '#000000',
  },
}

SCSS

$custom: #423587;
$custom-light: #7c6dab;
$custom-dark: #000000;

JSON

{
  "hex": "#423587",
  "rgb": {
    "r": 66,
    "g": 53,
    "b": 135
  },
  "hsl": {
    "h": 249.512,
    "s": 43.617,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39108,
    "c": 0.13148,
    "h": 285.9
  },
  "luminance": 0.05454
}

Semantic roles & 50–950 ramp

primary

#423587

secondary

#A4AF69

accent

#D354BF

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #423587

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

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