#231683#231683

#231683 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.168 H 275.9°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#231683
RGB	rgb(35, 22, 131)
HSL	hsl(247, 71%, 30%)
HSV	hsv(247, 83%, 51%)
CMYK	cmyk(73.3%, 83.2%, 0%, 48.6%)
CIE-LAB	lab(18.23, 40.74, -57.80)
CIE-LCH	lch(18.23, 70.72, 305.18°)
OKLab	oklab(31.32% 0.0173 -0.1671)
OKLCH	oklch(31.32% 0.168 275.9)
XYZ	xyz(5.0754, 2.5694, 21.6968)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231683 #768316

analogous

#163F83 #231683 #5A1683

triadic

#231683 #832316 #168323

tetradic

#231683 #83163F #768316 #16835A

square

#231683 #83163F #768316 #16835A

split-complementary

#231683 #835A16 #3F8316

monochromatic

#07041A #150D4F #231683 #311FB7 #4A36DD

Accessibility & contrast

On white

13.87

#231683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#231683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231683

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231683	#FFFFFF	#000000	##FFFFFF
##231683	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003186

Deuteranopia (green-blind)

#002881

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231683;
/* rgb */ color: rgb(35, 22, 131);
/* oklch */ color: oklch(31.3% 0.168 275.9);

Tailwind

colors: {
  custom: {
    50: '#6f57a8',
    500: '#231683',
    950: '#000000',
  },
}

SCSS

$custom: #231683;
$custom-light: #6f57a8;
$custom-dark: #000000;

JSON

{
  "hex": "#231683",
  "rgb": {
    "r": 35,
    "g": 22,
    "b": 131
  },
  "hsl": {
    "h": 247.156,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.3132,
    "c": 0.16799,
    "h": 275.9
  },
  "luminance": 0.0257
}

Semantic roles & 50–950 ramp

primary

#231683

secondary

#A9B73D

accent

#EE3AD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #231683

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

Preview Lab → · Contrast checker → · Palette generator →