#321AB4#321AB4

#321AB4 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.6% C 0.218 H 275.9°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#321AB4
RGB	rgb(50, 26, 180)
HSL	hsl(249, 75%, 40%)
HSV	hsv(249, 86%, 71%)
CMYK	cmyk(72.2%, 85.6%, 0%, 29.4%)
CIE-LAB	lab(25.90, 54.83, -75.13)
CIE-LCH	lch(25.90, 93.01, 306.12°)
OKLab	oklab(38.6% 0.0225 -0.2171)
OKLCH	oklch(38.6% 0.218 275.9)
XYZ	xyz(9.9203, 4.7112, 43.5577)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321AB4 #9CB41A

analogous

#1A4FB4 #321AB4 #7F1AB4

triadic

#321AB4 #B4321A #1AB432

tetradic

#321AB4 #B41A4F #9CB41A #1AB47F

square

#321AB4 #B41A4F #9CB41A #1AB47F

split-complementary

#321AB4 #B47F1A #4FB41A

monochromatic

#140B49 #23127F #321AB4 #472BE0 #7560E8

Accessibility & contrast

On white

10.81

#321AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#321AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321AB4

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321AB4	#FFFFFF	#000000	##FFFFFF
##321AB4	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #321ab4;
/* rgb */ color: rgb(50, 26, 180);
/* oklch */ color: oklch(38.6% 0.218 275.9);

Tailwind

colors: {
  custom: {
    50: '#805ecc',
    500: '#321ab4',
    950: '#000000',
  },
}

SCSS

$custom: #321ab4;
$custom-light: #805ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#321ab4",
  "rgb": {
    "r": 50,
    "g": 26,
    "b": 180
  },
  "hsl": {
    "h": 249.351,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38601,
    "c": 0.21826,
    "h": 275.9
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary

#321AB4

secondary

#BBCC5D

accent

#F136D4

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #321AB4

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

Preview Lab → · Contrast checker → · Palette generator →