#451F9C#451F9C

#451F9C is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.184 H 288.0°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#451F9C
RGB	rgb(69, 31, 156)
HSL	hsl(258, 67%, 37%)
HSV	hsv(258, 80%, 61%)
CMYK	cmyk(55.8%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(25.70, 47.68, -60.90)
CIE-LCH	lch(25.70, 77.35, 308.06°)
OKLab	oklab(38.11% 0.057 -0.1752)
OKLCH	oklch(38.11% 0.184 288)
XYZ	xyz(8.9432, 4.6450, 31.8714)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451F9C #769C1F

analogous

#1F389C #451F9C #841F9C

triadic

#451F9C #9C451F #1F9C45

tetradic

#451F9C #9C1F38 #769C1F #1F9C84

square

#451F9C #9C1F38 #769C1F #1F9C84

split-complementary

#451F9C #9C841F #389C1F

monochromatic

#180B36 #2E1569 #451F9C #5C29CF #8058DE

Accessibility & contrast

On white

10.89

#451F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#451F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451F9C

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451F9C	#FFFFFF	#000000	##FFFFFF
##451F9C	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409F

Deuteranopia (green-blind)

#003A9A

Tritanopia (blue-blind)

#20445E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #451f9c;
/* rgb */ color: rgb(69, 31, 156);
/* oklch */ color: oklch(38.1% 0.184 288.0);

Tailwind

colors: {
  custom: {
    50: '#8360ba',
    500: '#451f9c',
    950: '#000000',
  },
}

SCSS

$custom: #451f9c;
$custom-light: #8360ba;
$custom-dark: #000000;

JSON

{
  "hex": "#451f9c",
  "rgb": {
    "r": 69,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 258.24,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38112,
    "c": 0.18429,
    "h": 288
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#451F9C

secondary

#A1C155

accent

#EA3EB6

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #451F9C

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

Preview Lab → · Contrast checker → · Palette generator →