#42349B#42349B

#42349B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.160 H 282.8°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#42349B
RGB	rgb(66, 52, 155)
HSL	hsl(248, 50%, 41%)
HSV	hsv(248, 66%, 61%)
CMYK	cmyk(57.4%, 66.5%, 0%, 39.2%)
CIE-LAB	lab(29.36, 35.61, -54.29)
CIE-LCH	lch(29.36, 64.93, 303.26°)
OKLab	oklab(40.61% 0.0355 -0.1561)
OKLCH	oklch(40.61% 0.16 282.8)
XYZ	xyz(9.3893, 5.9802, 31.6635)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42349B #8D9B34

analogous

#345A9B #42349B #75349B

triadic

#42349B #9B4234 #349B42

tetradic

#42349B #9B345A #8D9B34 #349B75

square

#42349B #9B345A #8D9B34 #349B75

split-complementary

#42349B #9B7534 #5A9B34

monochromatic

#1B153F #2E256D #42349B #5A4AC2 #8478D2

Accessibility & contrast

On white

9.56

#42349B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#42349B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42349B

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42349B	#FFFFFF	#000000	##FFFFFF
##42349B	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#004299

Tritanopia (blue-blind)

#144E63

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #42349b;
/* rgb */ color: rgb(66, 52, 155);
/* oklch */ color: oklch(40.6% 0.160 282.8);

Tailwind

colors: {
  custom: {
    50: '#806cb9',
    500: '#42349b',
    950: '#000000',
  },
}

SCSS

$custom: #42349b;
$custom-light: #806cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42349b",
  "rgb": {
    "r": 66,
    "g": 52,
    "b": 155
  },
  "hsl": {
    "h": 248.155,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40614,
    "c": 0.16007,
    "h": 282.8
  },
  "luminance": 0.05981
}

Semantic roles & 50–950 ramp

primary

#42349B

secondary

#B0BA71

accent

#D94FC6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #42349B

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

Preview Lab → · Contrast checker → · Palette generator →