#424588#424588

#424588 is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.3% C 0.109 H 278.7°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#424588
RGB	rgb(66, 69, 136)
HSL	hsl(237, 35%, 40%)
HSV	hsv(237, 51%, 53%)
CMYK	cmyk(51.5%, 49.3%, 0%, 46.7%)
CIE-LAB	lab(32.24, 18.42, -38.00)
CIE-LCH	lch(32.24, 42.22, 295.86°)
OKLab	oklab(42.3% 0.0165 -0.1081)
OKLCH	oklch(42.3% 0.109 278.7)
XYZ	xyz(8.8174, 7.1916, 24.2113)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424588 #888542

analogous

#426888 #424588 #624288

triadic

#424588 #884245 #458842

tetradic

#424588 #884268 #888542 #428862

square

#424588 #884268 #888542 #428862

split-complementary

#424588 #886242 #688842

monochromatic

#1A1B36 #2E305F #424588 #595DAE #8285C2

Accessibility & contrast

On white

8.61

#424588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#424588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424588

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424588	#FFFFFF	#000000	##FFFFFF
##424588	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274F8A

Deuteranopia (green-blind)

#214987

Tritanopia (blue-blind)

#265360

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #424588;
/* rgb */ color: rgb(66, 69, 136);
/* oklch */ color: oklch(42.3% 0.109 278.7);

Tailwind

colors: {
  custom: {
    50: '#7b78ab',
    500: '#424588',
    950: '#000000',
  },
}

SCSS

$custom: #424588;
$custom-light: #7b78ab;
$custom-dark: #000000;

JSON

{
  "hex": "#424588",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 136
  },
  "hsl": {
    "h": 237.429,
    "s": 34.653,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42301,
    "c": 0.10935,
    "h": 278.7
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#424588

secondary

#ADAB79

accent

#C65DCB

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424588

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

Preview Lab → · Contrast checker → · Palette generator →