#423987#423987

#423987 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.126 H 284.4°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#423987
RGB	rgb(66, 57, 135)
HSL	hsl(247, 41%, 38%)
HSV	hsv(247, 58%, 53%)
CMYK	cmyk(51.1%, 57.8%, 0%, 47.1%)
CIE-LAB	lab(28.99, 25.95, -42.60)
CIE-LCH	lch(28.99, 49.88, 301.35°)
OKLab	oklab(39.85% 0.0312 -0.1217)
OKLCH	oklch(39.85% 0.126 284.4)
XYZ	xyz(8.0818, 5.8334, 23.6171)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423987 #7E8739

analogous

#395787 #423987 #693987

triadic

#423987 #874239 #398742

tetradic

#423987 #873957 #7E8739 #398769

square

#423987 #873957 #7E8739 #398769

split-complementary

#423987 #876939 #578739

monochromatic

#181531 #2D275C #423987 #574BB2 #7F75C5

Accessibility & contrast

On white

9.69

#423987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#423987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423987

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423987	#FFFFFF	#000000	##FFFFFF
##423987	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06478A

Deuteranopia (green-blind)

#004285

Tritanopia (blue-blind)

#294B5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #423987;
/* rgb */ color: rgb(66, 57, 135);
/* oklch */ color: oklch(39.8% 0.126 284.4);

Tailwind

colors: {
  custom: {
    50: '#7c6faa',
    500: '#423987',
    950: '#000000',
  },
}

SCSS

$custom: #423987;
$custom-light: #7c6faa;
$custom-dark: #000000;

JSON

{
  "hex": "#423987",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 135
  },
  "hsl": {
    "h": 246.923,
    "s": 40.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39845,
    "c": 0.12565,
    "h": 284.4
  },
  "luminance": 0.05834
}

Semantic roles & 50–950 ramp

primary

#423987

secondary

#A7AE6E

accent

#D057C2

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #423987

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

Preview Lab → · Contrast checker → · Palette generator →