#424571#424571

#424571 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.073 H 279.6°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#424571
RGB	rgb(66, 69, 113)
HSL	hsl(236, 26%, 35%)
HSV	hsv(236, 42%, 44%)
CMYK	cmyk(41.6%, 38.9%, 0%, 55.7%)
CIE-LAB	lab(30.89, 10.94, -25.79)
CIE-LCH	lch(30.89, 28.02, 292.98°)
OKLab	oklab(40.84% 0.0123 -0.0724)
OKLCH	oklch(40.84% 0.073 279.6)
XYZ	xyz(7.3547, 6.6064, 16.5072)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424571 #716E42

analogous

#425D71 #424571 #564271

triadic

#424571 #714245 #457142

tetradic

#424571 #71425D #716E42 #427156

square

#424571 #71425D #716E42 #427156

split-complementary

#424571 #715642 #5D7142

monochromatic

#151624 #2B2D4A #424571 #595D98 #7B7FB2

Accessibility & contrast

On white

9.05

#424571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#424571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424571

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424571	#FFFFFF	#000000	##FFFFFF
##424571	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364A73

Deuteranopia (green-blind)

#334770

Tritanopia (blue-blind)

#344E55

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #424571;
/* rgb */ color: rgb(66, 69, 113);
/* oklch */ color: oklch(40.8% 0.073 279.6);

Tailwind

colors: {
  custom: {
    50: '#78789a',
    500: '#424571',
    950: '#000000',
  },
}

SCSS

$custom: #424571;
$custom-light: #78789a;
$custom-dark: #000000;

JSON

{
  "hex": "#424571",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 113
  },
  "hsl": {
    "h": 236.17,
    "s": 26.257,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40839,
    "c": 0.07345,
    "h": 279.6
  },
  "luminance": 0.06607
}

Semantic roles & 50–950 ramp

primary

#424571

secondary

#9D9B71

accent

#BD65C3

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424571

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

Preview Lab → · Contrast checker → · Palette generator →