#424758#424758

#424758 is a dark, muted blue. Relative luminance 0.064; OKLCH L 40.0% C 0.029 H 272.2°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#424758
RGB	rgb(66, 71, 88)
HSL	hsl(226, 14%, 30%)
HSV	hsv(226, 25%, 35%)
CMYK	cmyk(25%, 19.3%, 0%, 65.5%)
CIE-LAB	lab(30.33, 2.25, -10.75)
CIE-LCH	lch(30.33, 10.99, 281.83°)
OKLab	oklab(40.01% 0.0011 -0.0294)
OKLCH	oklch(40.01% 0.029 272.2)
XYZ	xyz(6.2610, 6.3692, 10.1301)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424758 #585342

analogous

#425258 #424758 #484258

triadic

#424758 #584247 #475842

tetradic

#424758 #584252 #585342 #425848

square

#424758 #584252 #585342 #425848

split-complementary

#424758 #584842 #525842

monochromatic

#0E0F12 #282B35 #424758 #5C637B #7A819B

Accessibility & contrast

On white

9.24

#424758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#424758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424758

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424758	#FFFFFF	#000000	##FFFFFF
##424758	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424859

Deuteranopia (green-blind)

#404758

Tritanopia (blue-blind)

#3D4A4D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424758;
/* rgb */ color: rgb(66, 71, 88);
/* oklch */ color: oklch(40.0% 0.029 272.2);

Tailwind

colors: {
  custom: {
    50: '#767a87',
    500: '#424758',
    950: '#000000',
  },
}

SCSS

$custom: #424758;
$custom-light: #767a87;
$custom-dark: #000000;

JSON

{
  "hex": "#424758",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 88
  },
  "hsl": {
    "h": 226.364,
    "s": 14.286,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40014,
    "c": 0.02943,
    "h": 272.2
  },
  "luminance": 0.06369
}

Semantic roles & 50–950 ramp

primary

#424758

secondary

#87826F

accent

#A771B7

background

#F7F7F8

surface

#EDEDEF

border

#C8C8CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #424758

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

Preview Lab → · Contrast checker → · Palette generator →