#42406D#42406D

#42406D is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.5% C 0.075 H 284.4°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#42406D
RGB	rgb(66, 64, 109)
HSL	hsl(243, 26%, 34%)
HSV	hsv(243, 41%, 43%)
CMYK	cmyk(39.4%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(29.23, 13.00, -25.88)
CIE-LCH	lch(29.23, 28.96, 296.68°)
OKLab	oklab(39.5% 0.0187 -0.0727)
OKLCH	oklch(39.5% 0.075 284.4)
XYZ	xyz(6.8397, 5.9289, 15.2491)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42406D #6B6D40

analogous

#40556D #42406D #59406D

triadic

#42406D #6D4240 #406D42

tetradic

#42406D #6D4055 #6B6D40 #406D59

square

#42406D #6D4055 #6B6D40 #406D59

split-complementary

#42406D #6D5940 #556D40

monochromatic

#131320 #2B2946 #42406D #595794 #7A78B0

Accessibility & contrast

On white

9.61

#42406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#42406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42406D

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42406D	#FFFFFF	#000000	##FFFFFF
##42406D	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31466F

Deuteranopia (green-blind)

#30446C

Tritanopia (blue-blind)

#364951

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #42406d;
/* rgb */ color: rgb(66, 64, 109);
/* oklch */ color: oklch(39.5% 0.075 284.4);

Tailwind

colors: {
  custom: {
    50: '#787497',
    500: '#42406d',
    950: '#000000',
  },
}

SCSS

$custom: #42406d;
$custom-light: #787497;
$custom-dark: #000000;

JSON

{
  "hex": "#42406d",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 242.667,
    "s": 26.012,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39496,
    "c": 0.07503,
    "h": 284.4
  },
  "luminance": 0.05929
}

Semantic roles & 50–950 ramp

primary

#42406D

secondary

#999B6E

accent

#C265BE

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #42406D

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

Preview Lab → · Contrast checker → · Palette generator →