#23289A#23289A

#23289A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.180 H 271.4°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#23289A
RGB	rgb(35, 40, 154)
HSL	hsl(237, 63%, 37%)
HSV	hsv(237, 77%, 60%)
CMYK	cmyk(77.3%, 74%, 0%, 39.6%)
CIE-LAB	lab(24.34, 38.47, -62.00)
CIE-LCH	lch(24.34, 72.97, 301.82°)
OKLab	oklab(36.39% 0.0043 -0.1795)
OKLCH	oklch(36.39% 0.18 271.4)
XYZ	xyz(7.2827, 4.2072, 30.9938)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23289A #9A9523

analogous

#23649A #23289A #5A239A

triadic

#23289A #9A2328 #289A23

tetradic

#23289A #9A2364 #9A9523 #239A5A

square

#23289A #9A2364 #9A9523 #239A5A

split-complementary

#23289A #9A5A23 #649A23

monochromatic

#0C0E36 #181B68 #23289A #2E35CC #5D62DA

Accessibility & contrast

On white

11.40

#23289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#23289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23289A

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23289A	#FFFFFF	#000000	##FFFFFF
##23289A	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23289a;
/* rgb */ color: rgb(35, 40, 154);
/* oklch */ color: oklch(36.4% 0.180 271.4);

Tailwind

colors: {
  custom: {
    50: '#7363b9',
    500: '#23289a',
    950: '#000000',
  },
}

SCSS

$custom: #23289a;
$custom-light: #7363b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23289a",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 237.479,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36393,
    "c": 0.17955,
    "h": 271.4
  },
  "luminance": 0.04208
}

Semantic roles & 50–950 ramp

primary

#23289A

secondary

#BFBB5A

accent

#DF42E6

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #23289A

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

Preview Lab → · Contrast checker → · Palette generator →