#424E8F#424E8F

#424E8F is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.7% C 0.107 H 273.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#424E8F
RGB	rgb(66, 78, 143)
HSL	hsl(231, 37%, 41%)
HSV	hsv(231, 54%, 56%)
CMYK	cmyk(53.8%, 45.5%, 0%, 43.9%)
CIE-LAB	lab(35.18, 14.86, -37.59)
CIE-LCH	lch(35.18, 40.42, 291.57°)
OKLab	oklab(44.68% 0.0064 -0.1068)
OKLCH	oklch(44.68% 0.107 273.4)
XYZ	xyz(9.9275, 8.5895, 27.1161)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424E8F #8F8342

analogous

#42748F #424E8F #5C428F

triadic

#424E8F #8F424E #4E8F42

tetradic

#424E8F #8F4274 #8F8342 #428F5C

square

#424E8F #8F4274 #8F8342 #428F5C

split-complementary

#424E8F #8F5C42 #748F42

monochromatic

#1B203B #2F3765 #424E8F #5B69B3 #858FC7

Accessibility & contrast

On white

7.73

#424E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#424E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E8F

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424E8F	#FFFFFF	#000000	##FFFFFF
##424E8F	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325691

Deuteranopia (green-blind)

#2A508E

Tritanopia (blue-blind)

#1F5C67

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424e8f;
/* rgb */ color: rgb(66, 78, 143);
/* oklch */ color: oklch(44.7% 0.107 273.4);

Tailwind

colors: {
  custom: {
    50: '#7c7fb0',
    500: '#424e8f',
    950: '#000000',
  },
}

SCSS

$custom: #424e8f;
$custom-light: #7c7fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#424e8f",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 143
  },
  "hsl": {
    "h": 230.649,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.44677,
    "c": 0.107,
    "h": 273.4
  },
  "luminance": 0.0859
}

Semantic roles & 50–950 ramp

primary

#424E8F

secondary

#B1A97B

accent

#BB5BCD

background

#F7F7FA

surface

#EEEEF5

border

#C9C9CF

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424E8F

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

Preview Lab → · Contrast checker → · Palette generator →