#42427F#42427F

#42427F is a dark, moderate blue. Relative luminance 0.066; OKLCH L 41.1% C 0.100 H 281.1°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#42427F
RGB	rgb(66, 66, 127)
HSL	hsl(240, 32%, 38%)
HSV	hsv(240, 48%, 50%)
CMYK	cmyk(48%, 48%, 0%, 50.2%)
CIE-LAB	lab(30.85, 17.42, -34.64)
CIE-LCH	lch(30.85, 38.78, 296.70°)
OKLab	oklab(41.07% 0.0192 -0.0983)
OKLCH	oklch(41.07% 0.1 281.1)
XYZ	xyz(8.0246, 6.5866, 20.9231)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42427F #7F7F42

analogous

#42607F #42427F #60427F

triadic

#42427F #7F4242 #427F42

tetradic

#42427F #7F4260 #7F7F42 #427F60

square

#42427F #7F4260 #7F7F42 #427F60

split-complementary

#42427F #7F6042 #607F42

monochromatic

#18182E #2D2D57 #42427F #5757A7 #7F7FBC

Accessibility & contrast

On white

9.06

#42427F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#42427F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42427F

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42427F	#FFFFFF	#000000	##FFFFFF
##42427F	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294B81

Deuteranopia (green-blind)

#25467E

Tritanopia (blue-blind)

#2D4F5A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #42427f;
/* rgb */ color: rgb(66, 66, 127);
/* oklch */ color: oklch(41.1% 0.100 281.1);

Tailwind

colors: {
  custom: {
    50: '#7a76a4',
    500: '#42427f',
    950: '#000000',
  },
}

SCSS

$custom: #42427f;
$custom-light: #7a76a4;
$custom-dark: #000000;

JSON

{
  "hex": "#42427f",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 127
  },
  "hsl": {
    "h": 240,
    "s": 31.606,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41065,
    "c": 0.10013,
    "h": 281.1
  },
  "luminance": 0.06587
}

Semantic roles & 50–950 ramp

primary

#42427F

secondary

#A7A775

accent

#C860C8

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #42427F

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

Preview Lab → · Contrast checker → · Palette generator →