#42427E#42427E

#42427E is a dark, moderate blue. Relative luminance 0.066; OKLCH L 41.0% C 0.099 H 281.1°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#42427E
RGB	rgb(66, 66, 126)
HSL	hsl(240, 31%, 38%)
HSV	hsv(240, 48%, 49%)
CMYK	cmyk(47.6%, 47.6%, 0%, 50.6%)
CIE-LAB	lab(30.79, 17.09, -34.12)
CIE-LCH	lch(30.79, 38.16, 296.61°)
OKLab	oklab(41% 0.0191 -0.0967)
OKLCH	oklch(41% 0.099 281.1)
XYZ	xyz(7.9597, 6.5607, 20.5815)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42427E #7E7E42

analogous

#42607E #42427E #60427E

triadic

#42427E #7E4242 #427E42

tetradic

#42427E #7E4260 #7E7E42 #427E60

square

#42427E #7E4260 #7E7E42 #427E60

split-complementary

#42427E #7E6042 #607E42

monochromatic

#18182E #2D2D56 #42427E #5757A6 #7F7FBC

Accessibility & contrast

On white

9.08

#42427E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#42427E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42427E

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42427E	#FFFFFF	#000000	##FFFFFF
##42427E	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4B80

Deuteranopia (green-blind)

#26467D

Tritanopia (blue-blind)

#2E4F5A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #42427e;
/* rgb */ color: rgb(66, 66, 126);
/* oklch */ color: oklch(41.0% 0.099 281.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42427e",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 126
  },
  "hsl": {
    "h": 240,
    "s": 31.25,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40999,
    "c": 0.09859,
    "h": 281.1
  },
  "luminance": 0.06561
}

Semantic roles & 50–950 ramp

primary

#42427E

secondary

#A7A775

accent

#C760C7

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #42427E

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

Preview Lab → · Contrast checker → · Palette generator →