#424B7D#424B7D

#424B7D is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.9% C 0.084 H 274.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#424B7D
RGB	rgb(66, 75, 125)
HSL	hsl(231, 31%, 37%)
HSV	hsv(231, 47%, 49%)
CMYK	cmyk(47.2%, 40%, 0%, 51%)
CIE-LAB	lab(33.29, 10.83, -29.53)
CIE-LCH	lch(33.29, 31.45, 290.14°)
OKLab	oklab(42.89% 0.0067 -0.0832)
OKLCH	oklch(42.89% 0.084 274.6)
XYZ	xyz(8.4634, 7.6706, 20.4327)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B7D #7D7442

analogous

#42697D #424B7D #56427D

triadic

#424B7D #7D424B #4B7D42

tetradic

#424B7D #7D4269 #7D7442 #427D56

square

#424B7D #7D4269 #7D7442 #427D56

split-complementary

#424B7D #7D5642 #697D42

monochromatic

#181B2D #2D3355 #424B7D #5763A5 #7E88BB

Accessibility & contrast

On white

8.29

#424B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#424B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B7D

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B7D	#FFFFFF	#000000	##FFFFFF
##424B7D	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517F

Deuteranopia (green-blind)

#344C7C

Tritanopia (blue-blind)

#2D555E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b7d;
/* rgb */ color: rgb(66, 75, 125);
/* oklch */ color: oklch(42.9% 0.084 274.6);

Tailwind

colors: {
  custom: {
    50: '#7a7da3',
    500: '#424b7d',
    950: '#000000',
  },
}

SCSS

$custom: #424b7d;
$custom-light: #7a7da3;
$custom-dark: #000000;

JSON

{
  "hex": "#424b7d",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 125
  },
  "hsl": {
    "h": 230.847,
    "s": 30.89,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42889,
    "c": 0.08352,
    "h": 274.6
  },
  "luminance": 0.07671
}

Semantic roles & 50–950 ramp

primary

#424B7D

secondary

#A69E75

accent

#B761C7

background

#F7F7FA

surface

#EEEEF3

border

#C9C9CD

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424B7D

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

Preview Lab → · Contrast checker → · Palette generator →