#231784#231784

#231784 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.168 H 275.7°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#231784
RGB	rgb(35, 23, 132)
HSL	hsl(247, 70%, 30%)
HSV	hsv(247, 83%, 52%)
CMYK	cmyk(73.5%, 82.6%, 0%, 48.2%)
CIE-LAB	lab(18.52, 40.56, -57.95)
CIE-LCH	lch(18.52, 70.74, 304.99°)
OKLab	oklab(31.56% 0.0166 -0.1675)
OKLCH	oklch(31.56% 0.168 275.7)
XYZ	xyz(5.1630, 2.6356, 22.0619)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231784 #788417

analogous

#174184 #231784 #5A1784

triadic

#231784 #842317 #178423

tetradic

#231784 #841741 #788417 #17845A

square

#231784 #841741 #788417 #17845A

split-complementary

#231784 #845A17 #418417

monochromatic

#07051C #150E50 #231784 #3120B8 #4B39DC

Accessibility & contrast

On white

13.75

#231784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#231784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231784

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231784	#FFFFFF	#000000	##FFFFFF
##231784	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002882

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231784;
/* rgb */ color: rgb(35, 23, 132);
/* oklch */ color: oklch(31.6% 0.168 275.7);

Tailwind

colors: {
  custom: {
    50: '#6f57a9',
    500: '#231784',
    950: '#000000',
  },
}

SCSS

$custom: #231784;
$custom-light: #6f57a9;
$custom-dark: #000000;

JSON

{
  "hex": "#231784",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 132
  },
  "hsl": {
    "h": 246.606,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31557,
    "c": 0.16835,
    "h": 275.7
  },
  "luminance": 0.02636
}

Semantic roles & 50–950 ramp

primary

#231784

secondary

#ABB83F

accent

#ED3BD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #231784

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

Preview Lab → · Contrast checker → · Palette generator →