#424A87#424A87

#424A87 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.3% C 0.101 H 275.7°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#424A87
RGB	rgb(66, 74, 135)
HSL	hsl(233, 34%, 39%)
HSV	hsv(233, 51%, 53%)
CMYK	cmyk(51.1%, 45.2%, 0%, 47.1%)
CIE-LAB	lab(33.57, 14.79, -35.25)
CIE-LCH	lch(33.57, 38.23, 292.76°)
OKLab	oklab(43.29% 0.0101 -0.1)
OKLCH	oklch(43.29% 0.101 275.7)
XYZ	xyz(9.0673, 7.8045, 23.9456)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A87 #877F42

analogous

#426D87 #424A87 #5D4287

triadic

#424A87 #87424A #4A8742

tetradic

#424A87 #87426D #877F42 #42875D

square

#424A87 #87426D #877F42 #42875D

split-complementary

#424A87 #875D42 #6D8742

monochromatic

#1A1D35 #2E335E #424A87 #5962AE #8289C2

Accessibility & contrast

On white

8.20

#424A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#424A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A87

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A87	#FFFFFF	#000000	##FFFFFF
##424A87	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315289

Deuteranopia (green-blind)

#2B4C86

Tritanopia (blue-blind)

#265762

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #424a87;
/* rgb */ color: rgb(66, 74, 135);
/* oklch */ color: oklch(43.3% 0.101 275.7);

Tailwind

colors: {
  custom: {
    50: '#7b7caa',
    500: '#424a87',
    950: '#000000',
  },
}

SCSS

$custom: #424a87;
$custom-light: #7b7caa;
$custom-dark: #000000;

JSON

{
  "hex": "#424a87",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 135
  },
  "hsl": {
    "h": 233.043,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43294,
    "c": 0.1005,
    "h": 275.7
  },
  "luminance": 0.07805
}

Semantic roles & 50–950 ramp

primary

#424A87

secondary

#ACA678

accent

#BE5DCA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424A87

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

Preview Lab → · Contrast checker → · Palette generator →