#42368D#42368D

#42368D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.138 H 284.5°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#42368D
RGB	rgb(66, 54, 141)
HSL	hsl(248, 45%, 38%)
HSV	hsv(248, 62%, 55%)
CMYK	cmyk(53.2%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(28.69, 29.83, -46.80)
CIE-LCH	lch(28.69, 55.49, 302.51°)
OKLab	oklab(39.77% 0.0346 -0.1341)
OKLCH	oklch(39.77% 0.138 284.5)
XYZ	xyz(8.3722, 5.7192, 25.8569)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42368D #818D36

analogous

#36558D #42368D #6D368D

triadic

#42368D #8D4236 #368D42

tetradic

#42368D #8D3655 #818D36 #368D6D

square

#42368D #8D3655 #818D36 #368D6D

split-complementary

#42368D #8D6D36 #558D36

monochromatic

#191434 #2D2561 #42368D #5747B9 #8074CA

Accessibility & contrast

On white

9.79

#42368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#42368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42368D

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42368D	#FFFFFF	#000000	##FFFFFF
##42368D	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#244A5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #42368d;
/* rgb */ color: rgb(66, 54, 141);
/* oklch */ color: oklch(39.8% 0.138 284.5);

Tailwind

colors: {
  custom: {
    50: '#7d6daf',
    500: '#42368d',
    950: '#000000',
  },
}

SCSS

$custom: #42368d;
$custom-light: #7d6daf;
$custom-dark: #000000;

JSON

{
  "hex": "#42368d",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 248.276,
    "s": 44.615,
    "l": 38.235
  },
  "oklch": {
    "l": 0.3977,
    "c": 0.13844,
    "h": 284.5
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#42368D

secondary

#A9B26D

accent

#D453C3

background

#F8F6FA

surface

#EFEBF5

border

#CAC6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #42368D

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

Preview Lab → · Contrast checker → · Palette generator →