#424F8D#424F8D

#424F8D is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.8% C 0.103 H 272.7°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#424F8D
RGB	rgb(66, 79, 141)
HSL	hsl(230, 36%, 41%)
HSV	hsv(230, 53%, 55%)
CMYK	cmyk(53.2%, 44%, 0%, 44.7%)
CIE-LAB	lab(35.35, 13.53, -36.10)
CIE-LCH	lch(35.35, 38.56, 290.54°)
OKLab	oklab(44.76% 0.0048 -0.1025)
OKLCH	oklch(44.76% 0.103 272.7)
XYZ	xyz(9.8489, 8.6727, 26.3491)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F8D #8D8042

analogous

#42748D #424F8D #5A428D

triadic

#424F8D #8D424F #4F8D42

tetradic

#424F8D #8D4274 #8D8042 #428D5A

square

#424F8D #8D4274 #8D8042 #428D5A

split-complementary

#424F8D #8D5A42 #748D42

monochromatic

#1B203A #2E3863 #424F8D #5A69B2 #848FC5

Accessibility & contrast

On white

7.68

#424F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#424F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F8D

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F8D	#FFFFFF	#000000	##FFFFFF
##424F8D	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35568F

Deuteranopia (green-blind)

#2D508C

Tritanopia (blue-blind)

#205C67

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424f8d;
/* rgb */ color: rgb(66, 79, 141);
/* oklch */ color: oklch(44.8% 0.103 272.7);

Tailwind

colors: {
  custom: {
    50: '#7c80af',
    500: '#424f8d',
    950: '#000000',
  },
}

SCSS

$custom: #424f8d;
$custom-light: #7c80af;
$custom-dark: #000000;

JSON

{
  "hex": "#424f8d",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 141
  },
  "hsl": {
    "h": 229.6,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44764,
    "c": 0.10257,
    "h": 272.7
  },
  "luminance": 0.08673
}

Semantic roles & 50–950 ramp

primary

#424F8D

secondary

#B0A77B

accent

#B95CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424F8D

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

Preview Lab → · Contrast checker → · Palette generator →