#424388#424388

#424388 is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.9% C 0.112 H 279.8°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#424388
RGB	rgb(66, 67, 136)
HSL	hsl(239, 35%, 40%)
HSV	hsv(239, 51%, 53%)
CMYK	cmyk(51.5%, 50.7%, 0%, 46.7%)
CIE-LAB	lab(31.69, 19.74, -38.87)
CIE-LCH	lch(31.69, 43.60, 296.92°)
OKLab	oklab(41.89% 0.019 -0.1107)
OKLCH	oklch(41.89% 0.112 279.8)
XYZ	xyz(8.6965, 6.9496, 24.1710)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424388 #888742

analogous

#426688 #424388 #644288

triadic

#424388 #884243 #438842

tetradic

#424388 #884266 #888742 #428864

square

#424388 #884266 #888742 #428864

split-complementary

#424388 #886442 #668842

monochromatic

#1A1A36 #2E2F5F #424388 #595AAE #8283C2

Accessibility & contrast

On white

8.79

#424388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#424388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424388

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424388	#FFFFFF	#000000	##FFFFFF
##424388	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234D8A

Deuteranopia (green-blind)

#1D4886

Tritanopia (blue-blind)

#27525F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #424388;
/* rgb */ color: rgb(66, 67, 136);
/* oklch */ color: oklch(41.9% 0.112 279.8);

Tailwind

colors: {
  custom: {
    50: '#7c77ab',
    500: '#424388',
    950: '#000000',
  },
}

SCSS

$custom: #424388;
$custom-light: #7c77ab;
$custom-dark: #000000;

JSON

{
  "hex": "#424388",
  "rgb": {
    "r": 66,
    "g": 67,
    "b": 136
  },
  "hsl": {
    "h": 239.143,
    "s": 34.653,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41888,
    "c": 0.1123,
    "h": 279.8
  },
  "luminance": 0.0695
}

Semantic roles & 50–950 ramp

primary

#424388

secondary

#ADAC79

accent

#C95DCB

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #424388

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

Preview Lab → · Contrast checker → · Palette generator →