#321F9C#321F9C

#321F9C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.187 H 278.6°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#321F9C
RGB	rgb(50, 31, 156)
HSL	hsl(249, 67%, 37%)
HSV	hsv(249, 80%, 61%)
CMYK	cmyk(67.9%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(23.86, 45.50, -63.99)
CIE-LCH	lch(23.86, 78.52, 305.42°)
OKLab	oklab(36.39% 0.0278 -0.1848)
OKLCH	oklch(36.39% 0.187 278.6)
XYZ	xyz(7.8042, 4.0577, 31.8180)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321F9C #899C1F

analogous

#1F4B9C #321F9C #711F9C

triadic

#321F9C #9C321F #1F9C32

tetradic

#321F9C #9C1F4B #899C1F #1F9C71

square

#321F9C #9C1F4B #899C1F #1F9C71

split-complementary

#321F9C #9C711F #4B9C1F

monochromatic

#110B36 #221569 #321F9C #4229CF #6C58DE

Accessibility & contrast

On white

11.59

#321F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#321F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321F9C

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321F9C	#FFFFFF	#000000	##FFFFFF
##321F9C	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #321f9c;
/* rgb */ color: rgb(50, 31, 156);
/* oklch */ color: oklch(36.4% 0.187 278.6);

Tailwind

colors: {
  custom: {
    50: '#7a5fba',
    500: '#321f9c',
    950: '#000000',
  },
}

SCSS

$custom: #321f9c;
$custom-light: #7a5fba;
$custom-dark: #000000;

JSON

{
  "hex": "#321f9c",
  "rgb": {
    "r": 50,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 249.12,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36388,
    "c": 0.18692,
    "h": 278.6
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#321F9C

secondary

#B1C155

accent

#EA3ED0

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #321F9C

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

Preview Lab → · Contrast checker → · Palette generator →