#31219C#31219C

#31219C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.6% C 0.185 H 277.9°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#31219C
RGB	rgb(49, 33, 156)
HSL	hsl(248, 65%, 37%)
HSV	hsv(248, 79%, 61%)
CMYK	cmyk(68.6%, 78.8%, 0%, 38.8%)
CIE-LAB	lab(24.13, 44.39, -63.55)
CIE-LCH	lch(24.13, 77.52, 304.94°)
OKLab	oklab(36.56% 0.0253 -0.1836)
OKLCH	oklch(36.56% 0.185 277.9)
XYZ	xyz(7.8093, 4.1403, 31.8337)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31219C #8C9C21

analogous

#214F9C #31219C #6F219C

triadic

#31219C #9C3121 #219C31

tetradic

#31219C #9C214F #8C9C21 #219C6F

square

#31219C #9C214F #8C9C21 #219C6F

split-complementary

#31219C #9C6F21 #4F9C21

monochromatic

#110C37 #211669 #31219C #412CCF #6C5BDC

Accessibility & contrast

On white

11.49

#31219C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31219C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31219C

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31219C	#FFFFFF	#000000	##FFFFFF
##31219C	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31219c;
/* rgb */ color: rgb(49, 33, 156);
/* oklch */ color: oklch(36.6% 0.185 277.9);

Tailwind

colors: {
  custom: {
    50: '#7960ba',
    500: '#31219c',
    950: '#000000',
  },
}

SCSS

$custom: #31219c;
$custom-light: #7960ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31219c",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 156
  },
  "hsl": {
    "h": 247.805,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36555,
    "c": 0.18534,
    "h": 277.9
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#31219C

secondary

#B3C158

accent

#E840D2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31219C

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

Preview Lab → · Contrast checker → · Palette generator →