#321BB4#321BB4

#321BB4 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.7% C 0.218 H 275.8°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#321BB4
RGB	rgb(50, 27, 180)
HSL	hsl(249, 74%, 41%)
HSV	hsv(249, 85%, 71%)
CMYK	cmyk(72.2%, 85%, 0%, 29.4%)
CIE-LAB	lab(26.03, 54.43, -74.91)
CIE-LCH	lch(26.03, 92.60, 306.00°)
OKLab	oklab(38.69% 0.0222 -0.2165)
OKLCH	oklch(38.69% 0.218 275.8)
XYZ	xyz(9.9428, 4.7563, 43.5652)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321BB4 #9DB41B

analogous

#1B50B4 #321BB4 #7F1BB4

triadic

#321BB4 #B4321B #1BB432

tetradic

#321BB4 #B41B50 #9DB41B #1BB47F

square

#321BB4 #B41B50 #9DB41B #1BB47F

split-complementary

#321BB4 #B47F1B #50B41B

monochromatic

#140B4A #23137F #321BB4 #482DDF #7662E7

Accessibility & contrast

On white

10.76

#321BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#321BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321BB4

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321BB4	#FFFFFF	#000000	##FFFFFF
##321BB4	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0037B1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #321bb4;
/* rgb */ color: rgb(50, 27, 180);
/* oklch */ color: oklch(38.7% 0.218 275.8);

Tailwind

colors: {
  custom: {
    50: '#7f5ecc',
    500: '#321bb4',
    950: '#000000',
  },
}

SCSS

$custom: #321bb4;
$custom-light: #7f5ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#321bb4",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 249.02,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38692,
    "c": 0.21761,
    "h": 275.8
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#321BB4

secondary

#BCCC5F

accent

#F137D5

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #321BB4

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

Preview Lab → · Contrast checker → · Palette generator →