#321DB3#321DB3

#321DB3 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.8% C 0.215 H 275.8°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#321DB3
RGB	rgb(50, 29, 179)
HSL	hsl(248, 72%, 41%)
HSV	hsv(248, 84%, 70%)
CMYK	cmyk(72.1%, 83.8%, 0%, 29.8%)
CIE-LAB	lab(26.19, 53.32, -74.05)
CIE-LCH	lch(26.19, 91.25, 305.76°)
OKLab	oklab(38.77% 0.0219 -0.214)
OKLCH	oklch(38.77% 0.215 275.8)
XYZ	xyz(9.8888, 4.8106, 43.0465)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321DB3 #9EB31D

analogous

#1D53B3 #321DB3 #7D1DB3

triadic

#321DB3 #B3321D #1DB332

tetradic

#321DB3 #B31D53 #9EB31D #1DB37D

square

#321DB3 #B31D53 #9EB31D #1DB37D

split-complementary

#321DB3 #B37D1D #53B31D

monochromatic

#150C4A #23147E #321DB3 #4830DD #7764E6

Accessibility & contrast

On white

10.70

#321DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#321DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321DB3

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321DB3	#FFFFFF	#000000	##FFFFFF
##321DB3	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B7

Deuteranopia (green-blind)

#0037B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #321db3;
/* rgb */ color: rgb(50, 29, 179);
/* oklch */ color: oklch(38.8% 0.215 275.8);

Tailwind

colors: {
  custom: {
    50: '#7f5fcb',
    500: '#321db3',
    950: '#000000',
  },
}

SCSS

$custom: #321db3;
$custom-light: #7f5fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#321db3",
  "rgb": {
    "r": 50,
    "g": 29,
    "b": 179
  },
  "hsl": {
    "h": 248.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38767,
    "c": 0.21512,
    "h": 275.8
  },
  "luminance": 0.04812
}

Semantic roles & 50–950 ramp

primary

#321DB3

secondary

#BCCB61

accent

#EF39D5

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #321DB3

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

Preview Lab → · Contrast checker → · Palette generator →