#431B9F#431B9F

#431B9F is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.191 H 286.8°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#431B9F
RGB	rgb(67, 27, 159)
HSL	hsl(258, 71%, 36%)
HSV	hsv(258, 83%, 62%)
CMYK	cmyk(57.9%, 83%, 0%, 37.6%)
CIE-LAB	lab(25.20, 50.00, -63.56)
CIE-LCH	lch(25.20, 80.87, 308.19°)
OKLab	oklab(37.81% 0.0553 -0.183)
OKLCH	oklch(37.81% 0.191 286.8)
XYZ	xyz(8.9628, 4.4799, 33.1866)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#431B9F #779F1B

analogous

#1B359F #431B9F #851B9F

triadic

#431B9F #9F431B #1B9F43

tetradic

#431B9F #9F1B35 #779F1B #1B9F85

square

#431B9F #9F1B35 #779F1B #1B9F85

split-complementary

#431B9F #9F851B #359F1B

monochromatic

#170936 #2D126B #431B9F #5924D3 #7E53E2

Accessibility & contrast

On white

11.08

#431B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#431B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #431B9F

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##431B9F	#FFFFFF	#000000	##FFFFFF
##431B9F	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#15445F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #431b9f;
/* rgb */ color: rgb(67, 27, 159);
/* oklch */ color: oklch(37.8% 0.191 286.8);

Tailwind

colors: {
  custom: {
    50: '#835ebd',
    500: '#431b9f',
    950: '#000000',
  },
}

SCSS

$custom: #431b9f;
$custom-light: #835ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#431b9f",
  "rgb": {
    "r": 67,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 258.182,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37808,
    "c": 0.19123,
    "h": 286.8
  },
  "luminance": 0.0448
}

Semantic roles & 50–950 ramp

primary

#431B9F

secondary

#A2C551

accent

#EE3AB7

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #431B9F

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

Preview Lab → · Contrast checker → · Palette generator →