#451BB4#451BB4

#451BB4 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.2% C 0.214 H 283.7°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#451BB4
RGB	rgb(69, 27, 180)
HSL	hsl(256, 74%, 41%)
HSV	hsv(256, 85%, 71%)
CMYK	cmyk(61.7%, 85%, 0%, 29.4%)
CIE-LAB	lab(27.69, 55.94, -72.10)
CIE-LCH	lch(27.69, 91.26, 307.80°)
OKLab	oklab(40.24% 0.0509 -0.2079)
OKLCH	oklch(40.24% 0.214 283.7)
XYZ	xyz(11.0819, 5.3436, 43.6186)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451BB4 #8AB41B

analogous

#1B3DB4 #451BB4 #921BB4

triadic

#451BB4 #B4451B #1BB445

tetradic

#451BB4 #B41B3D #8AB41B #1BB492

square

#451BB4 #B41B3D #8AB41B #1BB492

split-complementary

#451BB4 #B4921B #3DB41B

monochromatic

#1C0B4A #31137F #451BB4 #5E2DDF #8762E7

Accessibility & contrast

On white

10.15

#451BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#451BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451BB4

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451BB4	#FFFFFF	#000000	##FFFFFF
##451BB4	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#004C6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #451bb4;
/* rgb */ color: rgb(69, 27, 180);
/* oklch */ color: oklch(40.2% 0.214 283.7);

Tailwind

colors: {
  custom: {
    50: '#8860cc',
    500: '#451bb4',
    950: '#000000',
  },
}

SCSS

$custom: #451bb4;
$custom-light: #8860cc;
$custom-dark: #000000;

JSON

{
  "hex": "#451bb4",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 256.471,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40243,
    "c": 0.21401,
    "h": 283.7
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary

#451BB4

secondary

#AECC5F

accent

#F137BE

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #451BB4

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

Preview Lab → · Contrast checker → · Palette generator →