#424B89#424B89

#424B89 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.6% C 0.102 H 275.1°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#424B89
RGB	rgb(66, 75, 137)
HSL	hsl(232, 35%, 40%)
HSV	hsv(232, 52%, 54%)
CMYK	cmyk(51.8%, 45.3%, 0%, 46.3%)
CIE-LAB	lab(33.97, 14.80, -35.84)
CIE-LCH	lch(33.97, 38.78, 292.44°)
OKLab	oklab(43.64% 0.0091 -0.1017)
OKLCH	oklch(43.64% 0.102 275.1)
XYZ	xyz(9.2768, 7.9960, 24.7166)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B89 #898042

analogous

#426F89 #424B89 #5C4289

triadic

#424B89 #89424B #4B8942

tetradic

#424B89 #89426F #898042 #42895C

square

#424B89 #89426F #898042 #42895C

split-complementary

#424B89 #895C42 #6F8942

monochromatic

#1A1E36 #2E3460 #424B89 #5964AF #828BC3

Accessibility & contrast

On white

8.08

#424B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#424B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B89

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B89	#FFFFFF	#000000	##FFFFFF
##424B89	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31538B

Deuteranopia (green-blind)

#2A4D88

Tritanopia (blue-blind)

#255863

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #424b89;
/* rgb */ color: rgb(66, 75, 137);
/* oklch */ color: oklch(43.6% 0.102 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b7dac',
    500: '#424b89',
    950: '#000000',
  },
}

SCSS

$custom: #424b89;
$custom-light: #7b7dac;
$custom-dark: #000000;

JSON

{
  "hex": "#424b89",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 137
  },
  "hsl": {
    "h": 232.394,
    "s": 34.975,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43639,
    "c": 0.10213,
    "h": 275.1
  },
  "luminance": 0.07997
}

Semantic roles & 50–950 ramp

primary

#424B89

secondary

#AEA779

accent

#BD5DCB

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424B89

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

Preview Lab → · Contrast checker → · Palette generator →