#231789#231789

#231789 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.174 H 275.0°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#231789
RGB	rgb(35, 23, 137)
HSL	hsl(246, 71%, 31%)
HSV	hsv(246, 83%, 54%)
CMYK	cmyk(74.5%, 83.2%, 0%, 46.3%)
CIE-LAB	lab(19.12, 42.16, -60.10)
CIE-LCH	lch(19.12, 73.42, 305.05°)
OKLab	oklab(32.15% 0.0152 -0.1738)
OKLCH	oklch(32.15% 0.174 275)
XYZ	xyz(5.5134, 2.7757, 23.9073)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231789 #7D8917

analogous

#174489 #231789 #5C1789

triadic

#231789 #892317 #178923

tetradic

#231789 #891744 #7D8917 #17895C

square

#231789 #891744 #7D8917 #17895C

split-complementary

#231789 #895C17 #448917

monochromatic

#080520 #160E55 #231789 #3020BD #4D3CDE

Accessibility & contrast

On white

13.50

#231789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#231789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231789

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231789	#FFFFFF	#000000	##FFFFFF
##231789	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002987

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231789;
/* rgb */ color: rgb(35, 23, 137);
/* oklch */ color: oklch(32.1% 0.174 275.0);

Tailwind

colors: {
  custom: {
    50: '#7058ad',
    500: '#231789',
    950: '#000000',
  },
}

SCSS

$custom: #231789;
$custom-light: #7058ad;
$custom-dark: #000000;

JSON

{
  "hex": "#231789",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 137
  },
  "hsl": {
    "h": 246.316,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32149,
    "c": 0.17444,
    "h": 275
  },
  "luminance": 0.02776
}

Semantic roles & 50–950 ramp

primary

#231789

secondary

#AFBD3F

accent

#EE3ADB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #231789

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

Preview Lab → · Contrast checker → · Palette generator →