#42319A#42319A

#42319A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.163 H 283.7°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#42319A
RGB	rgb(66, 49, 154)
HSL	hsl(250, 52%, 40%)
HSV	hsv(250, 68%, 60%)
CMYK	cmyk(57.1%, 68.2%, 0%, 39.6%)
CIE-LAB	lab(28.61, 37.09, -54.91)
CIE-LCH	lch(28.61, 66.26, 304.04°)
OKLab	oklab(40.04% 0.0384 -0.1579)
OKLCH	oklch(40.04% 0.163 283.7)
XYZ	xyz(9.1760, 5.6874, 31.1798)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42319A #899A31

analogous

#31559A #42319A #76319A

triadic

#42319A #9A4231 #319A42

tetradic

#42319A #9A3155 #899A31 #319A76

square

#42319A #9A3155 #899A31 #319A76

split-complementary

#42319A #9A7631 #559A31

monochromatic

#1A133D #2E226C #42319A #5945C4 #8273D2

Accessibility & contrast

On white

9.82

#42319A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#42319A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42319A

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42319A	#FFFFFF	#000000	##FFFFFF
##42319A	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#164C61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #42319a;
/* rgb */ color: rgb(66, 49, 154);
/* oklch */ color: oklch(40.0% 0.163 283.7);

Tailwind

colors: {
  custom: {
    50: '#806ab9',
    500: '#42319a',
    950: '#000000',
  },
}

SCSS

$custom: #42319a;
$custom-light: #806ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#42319a",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 154
  },
  "hsl": {
    "h": 249.714,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40044,
    "c": 0.16252,
    "h": 283.7
  },
  "luminance": 0.05688
}

Semantic roles & 50–950 ramp

primary

#42319A

secondary

#AEBA6C

accent

#DB4DC4

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0611

muted

#7C7A80

Preview Lab

Preview with #42319A

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

Preview Lab → · Contrast checker → · Palette generator →