#42369A#42369A

#42369A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.156 H 282.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#42369A
RGB	rgb(66, 54, 154)
HSL	hsl(247, 48%, 41%)
HSV	hsv(247, 65%, 60%)
CMYK	cmyk(57.1%, 64.9%, 0%, 39.6%)
CIE-LAB	lab(29.74, 34.06, -53.07)
CIE-LCH	lch(29.74, 63.06, 302.69°)
OKLab	oklab(40.86% 0.0336 -0.1525)
OKLCH	oklch(40.86% 0.156 282.4)
XYZ	xyz(9.3969, 6.1291, 31.2535)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42369A #8E9A36

analogous

#365C9A #42369A #74369A

triadic

#42369A #9A4236 #369A42

tetradic

#42369A #9A365C #8E9A36 #369A74

square

#42369A #9A365C #8E9A36 #369A74

split-complementary

#42369A #9A7436 #5C9A36

monochromatic

#1B163F #2F266D #42369A #5B4DC0 #847AD0

Accessibility & contrast

On white

9.43

#42369A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#42369A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42369A

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42369A	#FFFFFF	#000000	##FFFFFF
##42369A	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#004398

Tritanopia (blue-blind)

#164F63

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #42369a;
/* rgb */ color: rgb(66, 54, 154);
/* oklch */ color: oklch(40.9% 0.156 282.4);

Tailwind

colors: {
  custom: {
    50: '#7f6eb9',
    500: '#42369a',
    950: '#000000',
  },
}

SCSS

$custom: #42369a;
$custom-light: #7f6eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42369a",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 154
  },
  "hsl": {
    "h": 247.2,
    "s": 48.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40859,
    "c": 0.15618,
    "h": 282.4
  },
  "luminance": 0.0613
}

Semantic roles & 50–950 ramp

primary

#42369A

secondary

#B1B973

accent

#D850C7

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #42369A

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

Preview Lab → · Contrast checker → · Palette generator →