#424B7F#424B7F

#424B7F is a dark, moderate blue. Relative luminance 0.077; OKLCH L 43.0% C 0.087 H 274.7°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#424B7F
RGB	rgb(66, 75, 127)
HSL	hsl(231, 32%, 38%)
HSV	hsv(231, 48%, 50%)
CMYK	cmyk(48%, 40.9%, 0%, 50.2%)
CIE-LAB	lab(33.40, 11.48, -30.59)
CIE-LCH	lch(33.40, 32.68, 290.57°)
OKLab	oklab(43.01% 0.0072 -0.0864)
OKLCH	oklch(43.01% 0.087 274.7)
XYZ	xyz(8.5924, 7.7222, 21.1123)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B7F #7F7642

analogous

#42697F #424B7F #58427F

triadic

#424B7F #7F424B #4B7F42

tetradic

#424B7F #7F4269 #7F7642 #427F58

square

#424B7F #7F4269 #7F7642 #427F58

split-complementary

#424B7F #7F5842 #697F42

monochromatic

#181B2E #2D3357 #424B7F #5763A7 #7F88BC

Accessibility & contrast

On white

8.25

#424B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#424B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B7F

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B7F	#FFFFFF	#000000	##FFFFFF
##424B7F	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385181

Deuteranopia (green-blind)

#324C7E

Tritanopia (blue-blind)

#2C565F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #424b7f;
/* rgb */ color: rgb(66, 75, 127);
/* oklch */ color: oklch(43.0% 0.087 274.7);

Tailwind

colors: {
  custom: {
    50: '#7a7da4',
    500: '#424b7f',
    950: '#000000',
  },
}

SCSS

$custom: #424b7f;
$custom-light: #7a7da4;
$custom-dark: #000000;

JSON

{
  "hex": "#424b7f",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 127
  },
  "hsl": {
    "h": 231.148,
    "s": 31.606,
    "l": 37.843
  },
  "oklch": {
    "l": 0.4301,
    "c": 0.08666,
    "h": 274.7
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary

#424B7F

secondary

#A7A075

accent

#B860C8

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424B7F

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

Preview Lab → · Contrast checker → · Palette generator →