#42369F#42369F

#42369F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.163 H 281.7°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#42369F
RGB	rgb(66, 54, 159)
HSL	hsl(247, 49%, 42%)
HSV	hsv(247, 66%, 62%)
CMYK	cmyk(58.5%, 66%, 0%, 37.6%)
CIE-LAB	lab(30.15, 35.69, -55.43)
CIE-LCH	lch(30.15, 65.93, 302.78°)
OKLab	oklab(41.29% 0.0331 -0.1594)
OKLCH	oklch(41.29% 0.163 281.7)
XYZ	xyz(9.8220, 6.2991, 33.4925)
Luminance	0.0630 (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

#42369F #939F36

analogous

#365F9F #42369F #77369F

triadic

#42369F #9F4236 #369F42

tetradic

#42369F #9F365F #939F36 #369F77

square

#42369F #9F365F #939F36 #369F77

split-complementary

#42369F #9F7736 #5F9F36

monochromatic

#1C1744 #2F2671 #42369F #5C4FC3 #877DD3

Accessibility & contrast

On white

9.29

#42369F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#42369F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42369F

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42369F	#FFFFFF	#000000	##FFFFFF
##42369F	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#0C5065

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #42369f;
/* rgb */ color: rgb(66, 54, 159);
/* oklch */ color: oklch(41.3% 0.163 281.7);

Tailwind

colors: {
  custom: {
    50: '#806ebc',
    500: '#42369f',
    950: '#000000',
  },
}

SCSS

$custom: #42369f;
$custom-light: #806ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#42369f",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 159
  },
  "hsl": {
    "h": 246.857,
    "s": 49.296,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41294,
    "c": 0.16284,
    "h": 281.7
  },
  "luminance": 0.063
}

Semantic roles & 50–950 ramp

primary

#42369F

secondary

#B4BC75

accent

#D94FC9

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #42369F

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

Preview Lab → · Contrast checker → · Palette generator →