#424B6F#424B6F

#424B6F is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.1% C 0.061 H 272.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#424B6F
RGB	rgb(66, 75, 111)
HSL	hsl(228, 25%, 35%)
HSV	hsv(228, 41%, 44%)
CMYK	cmyk(40.5%, 32.4%, 0%, 56.5%)
CIE-LAB	lab(32.56, 6.38, -21.92)
CIE-LCH	lch(32.56, 22.83, 286.22°)
OKLab	oklab(42.09% 0.003 -0.0612)
OKLCH	oklch(42.09% 0.061 272.8)
XYZ	xyz(7.6312, 7.3378, 16.0501)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B6F #6F6642

analogous

#42626F #424B6F #50426F

triadic

#424B6F #6F424B #4B6F42

tetradic

#424B6F #6F4262 #6F6642 #426F50

square

#424B6F #6F4262 #6F6642 #426F50

split-complementary

#424B6F #6F5042 #626F42

monochromatic

#141722 #2B3149 #424B6F #596595 #7B86B0

Accessibility & contrast

On white

8.51

#424B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#424B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B6F

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B6F	#FFFFFF	#000000	##FFFFFF
##424B6F	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F71

Deuteranopia (green-blind)

#3B4B6E

Tritanopia (blue-blind)

#345258

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424b6f;
/* rgb */ color: rgb(66, 75, 111);
/* oklch */ color: oklch(42.1% 0.061 272.8);

Tailwind

colors: {
  custom: {
    50: '#787d98',
    500: '#424b6f',
    950: '#000000',
  },
}

SCSS

$custom: #424b6f;
$custom-light: #787d98;
$custom-dark: #000000;

JSON

{
  "hex": "#424b6f",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 111
  },
  "hsl": {
    "h": 228,
    "s": 25.424,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42094,
    "c": 0.06126,
    "h": 272.8
  },
  "luminance": 0.07338
}

Semantic roles & 50–950 ramp

primary

#424B6F

secondary

#9C9371

accent

#AF66C2

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090D

muted

#7B7B7E

Preview Lab

Preview with #424B6F

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

Preview Lab → · Contrast checker → · Palette generator →