#424583#424583

#424583 is a dark, moderate blue. Relative luminance 0.071; OKLCH L 42.0% C 0.102 H 279.0°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#424583
RGB	rgb(66, 69, 131)
HSL	hsl(237, 33%, 39%)
HSV	hsv(237, 50%, 51%)
CMYK	cmyk(49.6%, 47.3%, 0%, 48.6%)
CIE-LAB	lab(31.93, 16.76, -35.40)
CIE-LCH	lch(31.93, 39.17, 295.33°)
OKLab	oklab(41.96% 0.0159 -0.1005)
OKLCH	oklch(41.96% 0.102 279)
XYZ	xyz(8.4704, 7.0527, 22.3833)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424583 #838042

analogous

#426583 #424583 #5F4283

triadic

#424583 #834245 #458342

tetradic

#424583 #834265 #838042 #42835F

square

#424583 #834265 #838042 #42835F

split-complementary

#424583 #835F42 #658342

monochromatic

#191A32 #2D305A #424583 #585BAB #8083BF

Accessibility & contrast

On white

8.71

#424583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#424583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424583

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424583	#FFFFFF	#000000	##FFFFFF
##424583	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4E85

Deuteranopia (green-blind)

#264982

Tritanopia (blue-blind)

#2A525D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #424583;
/* rgb */ color: rgb(66, 69, 131);
/* oklch */ color: oklch(42.0% 0.102 279.0);

Tailwind

colors: {
  custom: {
    50: '#7b78a7',
    500: '#424583',
    950: '#000000',
  },
}

SCSS

$custom: #424583;
$custom-light: #7b78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#424583",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 237.231,
    "s": 32.995,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41963,
    "c": 0.10173,
    "h": 279
  },
  "luminance": 0.07053
}

Semantic roles & 50–950 ramp

primary

#424583

secondary

#AAA877

accent

#C45FC9

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A090F

muted

#7C7B7F

Preview Lab

Preview with #424583

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

Preview Lab → · Contrast checker → · Palette generator →