#424E87#424E87

#424E87 is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.2% C 0.095 H 273.0°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#424E87
RGB	rgb(66, 78, 135)
HSL	hsl(230, 34%, 39%)
HSV	hsv(230, 51%, 53%)
CMYK	cmyk(51.1%, 42.2%, 0%, 47.1%)
CIE-LAB	lab(34.71, 12.16, -33.44)
CIE-LCH	lch(34.71, 35.58, 289.99°)
OKLab	oklab(44.17% 0.0049 -0.0947)
OKLCH	oklch(44.17% 0.095 273)
XYZ	xyz(9.3429, 8.3557, 24.0375)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424E87 #877B42

analogous

#427187 #424E87 #594287

triadic

#424E87 #87424E #4E8742

tetradic

#424E87 #874271 #877B42 #428759

square

#424E87 #874271 #877B42 #428759

split-complementary

#424E87 #875942 #718742

monochromatic

#1A1F35 #2E365E #424E87 #5967AE #828DC2

Accessibility & contrast

On white

7.86

#424E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#424E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E87

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424E87	#FFFFFF	#000000	##FFFFFF
##424E87	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375589

Deuteranopia (green-blind)

#314F86

Tritanopia (blue-blind)

#265A64

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #424e87;
/* rgb */ color: rgb(66, 78, 135);
/* oklch */ color: oklch(44.2% 0.095 273.0);

Tailwind

colors: {
  custom: {
    50: '#7b7faa',
    500: '#424e87',
    950: '#000000',
  },
}

SCSS

$custom: #424e87;
$custom-light: #7b7faa;
$custom-dark: #000000;

JSON

{
  "hex": "#424e87",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 135
  },
  "hsl": {
    "h": 229.565,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.44166,
    "c": 0.09479,
    "h": 273
  },
  "luminance": 0.08356
}

Semantic roles & 50–950 ramp

primary

#424E87

secondary

#ACA378

accent

#B75DCA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424E87

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

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