#424B87#424B87

#424B87 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.5% C 0.099 H 275.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#424B87
RGB	rgb(66, 75, 135)
HSL	hsl(232, 34%, 39%)
HSV	hsv(232, 51%, 53%)
CMYK	cmyk(51.1%, 44.4%, 0%, 47.1%)
CIE-LAB	lab(33.86, 14.13, -34.80)
CIE-LCH	lch(33.86, 37.56, 292.10°)
OKLab	oklab(43.51% 0.0088 -0.0987)
OKLCH	oklch(43.51% 0.099 275.1)
XYZ	xyz(9.1346, 7.9391, 23.9680)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B87 #877E42

analogous

#426E87 #424B87 #5C4287

triadic

#424B87 #87424B #4B8742

tetradic

#424B87 #87426E #877E42 #42875C

square

#424B87 #87426E #877E42 #42875C

split-complementary

#424B87 #875C42 #6E8742

monochromatic

#1A1D35 #2E345E #424B87 #5964AE #828AC2

Accessibility & contrast

On white

8.11

#424B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#424B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B87

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B87	#FFFFFF	#000000	##FFFFFF
##424B87	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335389

Deuteranopia (green-blind)

#2C4D86

Tritanopia (blue-blind)

#265862

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #424b87;
/* rgb */ color: rgb(66, 75, 135);
/* oklch */ color: oklch(43.5% 0.099 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b7daa',
    500: '#424b87',
    950: '#000000',
  },
}

SCSS

$custom: #424b87;
$custom-light: #7b7daa;
$custom-dark: #000000;

JSON

{
  "hex": "#424b87",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 135
  },
  "hsl": {
    "h": 232.174,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4351,
    "c": 0.09906,
    "h": 275.1
  },
  "luminance": 0.0794
}

Semantic roles & 50–950 ramp

primary

#424B87

secondary

#ACA678

accent

#BC5DCA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424B87

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

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