#424D8D#424D8D

#424D8D is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.3% C 0.105 H 274.0°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#424D8D
RGB	rgb(66, 77, 141)
HSL	hsl(231, 36%, 41%)
HSV	hsv(231, 53%, 55%)
CMYK	cmyk(53.2%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(34.78, 14.84, -37.01)
CIE-LCH	lch(34.78, 39.87, 291.85°)
OKLab	oklab(44.33% 0.0073 -0.1051)
OKLCH	oklch(44.33% 0.105 274)
XYZ	xyz(9.7068, 8.3885, 26.3018)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424D8D #8D8242

analogous

#42728D #424D8D #5C428D

triadic

#424D8D #8D424D #4D8D42

tetradic

#424D8D #8D4272 #8D8242 #428D5C

square

#424D8D #8D4272 #8D8242 #428D5C

split-complementary

#424D8D #8D5C42 #728D42

monochromatic

#1B1F3A #2E3663 #424D8D #5A67B2 #848EC5

Accessibility & contrast

On white

7.84

#424D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#424D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424D8D

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424D8D	#FFFFFF	#000000	##FFFFFF
##424D8D	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32558F

Deuteranopia (green-blind)

#2A4F8C

Tritanopia (blue-blind)

#215B66

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #424d8d;
/* rgb */ color: rgb(66, 77, 141);
/* oklch */ color: oklch(44.3% 0.105 274.0);

Tailwind

colors: {
  custom: {
    50: '#7c7eaf',
    500: '#424d8d',
    950: '#000000',
  },
}

SCSS

$custom: #424d8d;
$custom-light: #7c7eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#424d8d",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 231.2,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4433,
    "c": 0.10537,
    "h": 274
  },
  "luminance": 0.08389
}

Semantic roles & 50–950 ramp

primary

#424D8D

secondary

#B0A87B

accent

#BC5CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424D8D

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

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