#42417E#42417E

#42417E is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.8% C 0.100 H 281.7°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#42417E
RGB	rgb(66, 65, 126)
HSL	hsl(241, 32%, 37%)
HSV	hsv(241, 48%, 49%)
CMYK	cmyk(47.6%, 48.4%, 0%, 50.6%)
CIE-LAB	lab(30.51, 17.76, -34.56)
CIE-LCH	lch(30.51, 38.85, 297.19°)
OKLab	oklab(40.79% 0.0204 -0.098)
OKLCH	oklch(40.79% 0.1 281.7)
XYZ	xyz(7.9018, 6.4448, 20.5622)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42417E #7D7E41

analogous

#415E7E #42417E #61417E

triadic

#42417E #7E4241 #417E42

tetradic

#42417E #7E415E #7D7E41 #417E61

square

#42417E #7E415E #7D7E41 #417E61

split-complementary

#42417E #7E6141 #5E7E41

monochromatic

#18172D #2D2C56 #42417E #5756A6 #7E7DBC

Accessibility & contrast

On white

9.17

#42417E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#42417E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42417E

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42417E	#FFFFFF	#000000	##FFFFFF
##42417E	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284A80

Deuteranopia (green-blind)

#24467D

Tritanopia (blue-blind)

#2E4E59

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #42417e;
/* rgb */ color: rgb(66, 65, 126);
/* oklch */ color: oklch(40.8% 0.100 281.7);

Tailwind

colors: {
  custom: {
    50: '#7a75a4',
    500: '#42417e',
    950: '#000000',
  },
}

SCSS

$custom: #42417e;
$custom-light: #7a75a4;
$custom-dark: #000000;

JSON

{
  "hex": "#42417e",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 126
  },
  "hsl": {
    "h": 240.984,
    "s": 31.937,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40789,
    "c": 0.10013,
    "h": 281.7
  },
  "luminance": 0.06445
}

Semantic roles & 50–950 ramp

primary

#42417E

secondary

#A6A774

accent

#C860C6

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #42417E

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

Preview Lab → · Contrast checker → · Palette generator →