#424C8D#424C8D

#424C8D is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.1% C 0.107 H 274.6°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#424C8D
RGB	rgb(66, 76, 141)
HSL	hsl(232, 36%, 41%)
HSV	hsv(232, 53%, 55%)
CMYK	cmyk(53.2%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(34.50, 15.49, -37.46)
CIE-LCH	lch(34.50, 40.53, 292.47°)
OKLab	oklab(44.12% 0.0085 -0.1064)
OKLCH	oklch(44.12% 0.107 274.6)
XYZ	xyz(9.6374, 8.2496, 26.2786)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424C8D #8D8342

analogous

#42718D #424C8D #5D428D

triadic

#424C8D #8D424C #4C8D42

tetradic

#424C8D #8D4271 #8D8342 #428D5D

square

#424C8D #8D4271 #8D8342 #428D5D

split-complementary

#424C8D #8D5D42 #718D42

monochromatic

#1B1F3A #2E3663 #424C8D #5A66B2 #848DC5

Accessibility & contrast

On white

7.92

#424C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#424C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C8D

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424C8D	#FFFFFF	#000000	##FFFFFF
##424C8D	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30548F

Deuteranopia (green-blind)

#284E8C

Tritanopia (blue-blind)

#215A65

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #424c8d;
/* rgb */ color: rgb(66, 76, 141);
/* oklch */ color: oklch(44.1% 0.107 274.6);

Tailwind

colors: {
  custom: {
    50: '#7c7daf',
    500: '#424c8d',
    950: '#000000',
  },
}

SCSS

$custom: #424c8d;
$custom-light: #7c7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#424c8d",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 232,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44116,
    "c": 0.10679,
    "h": 274.6
  },
  "luminance": 0.0825
}

Semantic roles & 50–950 ramp

primary

#424C8D

secondary

#B0A97B

accent

#BD5CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424C8D

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

Preview Lab → · Contrast checker → · Palette generator →