#424F87#424F87

#424F87 is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.4% C 0.093 H 272.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#424F87
RGB	rgb(66, 79, 135)
HSL	hsl(229, 34%, 39%)
HSV	hsv(229, 51%, 53%)
CMYK	cmyk(51.1%, 41.5%, 0%, 47.1%)
CIE-LAB	lab(35.00, 11.51, -32.98)
CIE-LCH	lch(35.00, 34.93, 289.24°)
OKLab	oklab(44.39% 0.0036 -0.0933)
OKLCH	oklch(44.39% 0.093 272.2)
XYZ	xyz(9.4145, 8.4989, 24.0613)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F87 #877A42

analogous

#427287 #424F87 #584287

triadic

#424F87 #87424F #4F8742

tetradic

#424F87 #874272 #877A42 #428758

square

#424F87 #874272 #877A42 #428758

split-complementary

#424F87 #875842 #728742

monochromatic

#1A1F35 #2E375E #424F87 #5969AE #828EC2

Accessibility & contrast

On white

7.78

#424F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#424F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F87

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F87	#FFFFFF	#000000	##FFFFFF
##424F87	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395589

Deuteranopia (green-blind)

#325086

Tritanopia (blue-blind)

#265B64

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #424f87;
/* rgb */ color: rgb(66, 79, 135);
/* oklch */ color: oklch(44.4% 0.093 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b80aa',
    500: '#424f87',
    950: '#000000',
  },
}

SCSS

$custom: #424f87;
$custom-light: #7b80aa;
$custom-dark: #000000;

JSON

{
  "hex": "#424f87",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 135
  },
  "hsl": {
    "h": 228.696,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.44387,
    "c": 0.09339,
    "h": 272.2
  },
  "luminance": 0.08499
}

Semantic roles & 50–950 ramp

primary

#424F87

secondary

#ACA378

accent

#B65DCA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424F87

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

Preview Lab → · Contrast checker → · Palette generator →