#42349C#42349C

#42349C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.161 H 282.6°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#42349C
RGB	rgb(66, 52, 156)
HSL	hsl(248, 50%, 41%)
HSV	hsv(248, 67%, 61%)
CMYK	cmyk(57.7%, 66.7%, 0%, 38.8%)
CIE-LAB	lab(29.45, 35.93, -54.76)
CIE-LCH	lch(29.45, 65.50, 303.27°)
OKLab	oklab(40.7% 0.0353 -0.1575)
OKLCH	oklch(40.7% 0.161 282.6)
XYZ	xyz(9.4737, 6.0139, 32.1076)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42349C #8E9C34

analogous

#345A9C #42349C #76349C

triadic

#42349C #9C4234 #349C42

tetradic

#42349C #9C345A #8E9C34 #349C76

square

#42349C #9C345A #8E9C34 #349C76

split-complementary

#42349C #9C7634 #5A9C34

monochromatic

#1B1540 #2F256E #42349C #5B4AC3 #8478D2

Accessibility & contrast

On white

9.53

#42349C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#42349C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42349C

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42349C	#FFFFFF	#000000	##FFFFFF
##42349C	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#134E63

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #42349c;
/* rgb */ color: rgb(66, 52, 156);
/* oklch */ color: oklch(40.7% 0.161 282.6);

Tailwind

colors: {
  custom: {
    50: '#806cba',
    500: '#42349c',
    950: '#000000',
  },
}

SCSS

$custom: #42349c;
$custom-light: #806cba;
$custom-dark: #000000;

JSON

{
  "hex": "#42349c",
  "rgb": {
    "r": 66,
    "g": 52,
    "b": 156
  },
  "hsl": {
    "h": 248.077,
    "s": 50,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40702,
    "c": 0.16139,
    "h": 282.6
  },
  "luminance": 0.06015
}

Semantic roles & 50–950 ramp

primary

#42349C

secondary

#B1BB71

accent

#DA4EC7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #42349C

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

Preview Lab → · Contrast checker → · Palette generator →