#321CB4#321CB4

#321CB4 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.8% C 0.217 H 275.8°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#321CB4
RGB	rgb(50, 28, 180)
HSL	hsl(249, 73%, 41%)
HSV	hsv(249, 84%, 71%)
CMYK	cmyk(72.2%, 84.4%, 0%, 29.4%)
CIE-LAB	lab(26.17, 54.03, -74.68)
CIE-LCH	lch(26.17, 92.18, 305.88°)
OKLab	oklab(38.79% 0.0219 -0.2158)
OKLCH	oklch(38.79% 0.217 275.8)
XYZ	xyz(9.9662, 4.8029, 43.5730)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321CB4 #9EB41C

analogous

#1C52B4 #321CB4 #7E1CB4

triadic

#321CB4 #B4321C #1CB432

tetradic

#321CB4 #B41C52 #9EB41C #1CB47E

square

#321CB4 #B41C52 #9EB41C #1CB47E

split-complementary

#321CB4 #B47E1C #52B41C

monochromatic

#150C4A #23147F #321CB4 #482FDF #7764E7

Accessibility & contrast

On white

10.71

#321CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#321CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321CB4

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321CB4	#FFFFFF	#000000	##FFFFFF
##321CB4	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0037B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #321cb4;
/* rgb */ color: rgb(50, 28, 180);
/* oklch */ color: oklch(38.8% 0.217 275.8);

Tailwind

colors: {
  custom: {
    50: '#7f5fcc',
    500: '#321cb4',
    950: '#000000',
  },
}

SCSS

$custom: #321cb4;
$custom-light: #7f5fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#321cb4",
  "rgb": {
    "r": 50,
    "g": 28,
    "b": 180
  },
  "hsl": {
    "h": 248.684,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38786,
    "c": 0.21695,
    "h": 275.8
  },
  "luminance": 0.04804
}

Semantic roles & 50–950 ramp

primary

#321CB4

secondary

#BCCC60

accent

#F038D5

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #321CB4

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

Preview Lab → · Contrast checker → · Palette generator →