#42348C#42348C

#42348C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.140 H 285.3°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#42348C
RGB	rgb(66, 52, 140)
HSL	hsl(250, 46%, 38%)
HSV	hsv(250, 63%, 55%)
CMYK	cmyk(52.9%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(28.13, 30.76, -47.08)
CIE-LCH	lch(28.13, 56.24, 303.16°)
OKLab	oklab(39.34% 0.0368 -0.1349)
OKLCH	oklch(39.34% 0.14 285.3)
XYZ	xyz(8.2070, 5.5073, 25.4364)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42348C #7E8C34

analogous

#34528C #42348C #6E348C

triadic

#42348C #8C4234 #348C42

tetradic

#42348C #8C3452 #7E8C34 #348C6E

square

#42348C #8C3452 #7E8C34 #348C6E

split-complementary

#42348C #8C6E34 #528C34

monochromatic

#181333 #2D235F #42348C #5745B9 #7F70CA

Accessibility & contrast

On white

9.99

#42348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#42348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42348C

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42348C	#FFFFFF	#000000	##FFFFFF
##42348C	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#00408A

Tritanopia (blue-blind)

#25495B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #42348c;
/* rgb */ color: rgb(66, 52, 140);
/* oklch */ color: oklch(39.3% 0.140 285.3);

Tailwind

colors: {
  custom: {
    50: '#7d6cae',
    500: '#42348c',
    950: '#000000',
  },
}

SCSS

$custom: #42348c;
$custom-light: #7d6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#42348c",
  "rgb": {
    "r": 66,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 249.545,
    "s": 45.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39336,
    "c": 0.13985,
    "h": 285.3
  },
  "luminance": 0.05508
}

Semantic roles & 50–950 ramp

primary

#42348C

secondary

#A7B26A

accent

#D552C1

background

#F8F6FA

surface

#EFEBF4

border

#CAC6CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #42348C

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

Preview Lab → · Contrast checker → · Palette generator →