#42417A#42417A

#42417A is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.5% C 0.094 H 282.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#42417A
RGB	rgb(66, 65, 122)
HSL	hsl(241, 30%, 37%)
HSV	hsv(241, 47%, 48%)
CMYK	cmyk(45.9%, 46.7%, 0%, 52.2%)
CIE-LAB	lab(30.26, 16.46, -32.45)
CIE-LCH	lch(30.26, 36.38, 296.90°)
OKLab	oklab(40.52% 0.0198 -0.0918)
OKLCH	oklch(40.52% 0.094 282.2)
XYZ	xyz(7.6489, 6.3436, 19.2300)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42417A #797A41

analogous

#415D7A #42417A #5F417A

triadic

#42417A #7A4241 #417A42

tetradic

#42417A #7A415D #797A41 #417A5F

square

#42417A #7A415D #797A41 #417A5F

split-complementary

#42417A #7A5F41 #5D7A41

monochromatic

#17162A #2C2C52 #42417A #5856A2 #7D7CB9

Accessibility & contrast

On white

9.26

#42417A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#42417A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42417A

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42417A	#FFFFFF	#000000	##FFFFFF
##42417A	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B497C

Deuteranopia (green-blind)

#284579

Tritanopia (blue-blind)

#304D57

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #42417a;
/* rgb */ color: rgb(66, 65, 122);
/* oklch */ color: oklch(40.5% 0.094 282.2);

Tailwind

colors: {
  custom: {
    50: '#7a75a1',
    500: '#42417a',
    950: '#000000',
  },
}

SCSS

$custom: #42417a;
$custom-light: #7a75a1;
$custom-dark: #000000;

JSON

{
  "hex": "#42417a",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 122
  },
  "hsl": {
    "h": 241.053,
    "s": 30.481,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40524,
    "c": 0.09395,
    "h": 282.2
  },
  "luminance": 0.06344
}

Semantic roles & 50–950 ramp

primary

#42417A

secondary

#A3A473

accent

#C761C5

background

#F7F7F9

surface

#EEEDF2

border

#C9C8CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #42417A

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

Preview Lab → · Contrast checker → · Palette generator →