#231797#231797

#231797 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.8% C 0.191 H 273.4°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#231797
RGB	rgb(35, 23, 151)
HSL	hsl(246, 74%, 34%)
HSV	hsv(246, 85%, 59%)
CMYK	cmyk(76.8%, 84.8%, 0%, 40.8%)
CIE-LAB	lab(20.84, 46.54, -65.96)
CIE-LCH	lch(20.84, 80.72, 305.21°)
OKLab	oklab(33.83% 0.0113 -0.1907)
OKLCH	oklch(33.83% 0.191 273.4)
XYZ	xyz(6.5836, 3.2038, 29.5436)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231797 #8B9717

analogous

#174B97 #231797 #631797

triadic

#231797 #972317 #179723

tetradic

#231797 #97174B #8B9717 #179763

square

#231797 #97174B #8B9717 #179763

split-complementary

#231797 #976317 #4B9717

monochromatic

#0A072D #170F62 #231797 #2F1FCC #5446E3

Accessibility & contrast

On white

12.80

#231797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#231797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231797

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231797	#FFFFFF	#000000	##FFFFFF
##231797	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00389A

Deuteranopia (green-blind)

#002C95

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #231797;
/* rgb */ color: rgb(35, 23, 151);
/* oklch */ color: oklch(33.8% 0.191 273.4);

Tailwind

colors: {
  custom: {
    50: '#7459b7',
    500: '#231797',
    950: '#000000',
  },
}

SCSS

$custom: #231797;
$custom-light: #7459b7;
$custom-dark: #000000;

JSON

{
  "hex": "#231797",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 151
  },
  "hsl": {
    "h": 245.625,
    "s": 73.563,
    "l": 34.118
  },
  "oklch": {
    "l": 0.33834,
    "c": 0.19108,
    "h": 273.4
  },
  "luminance": 0.03204
}

Semantic roles & 50–950 ramp

primary

#231797

secondary

#B8C446

accent

#F038DF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #231797

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

Preview Lab → · Contrast checker → · Palette generator →