#23189B#23189B

#23189B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.195 H 272.9°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#23189B
RGB	rgb(35, 24, 155)
HSL	hsl(245, 73%, 35%)
HSV	hsv(245, 85%, 61%)
CMYK	cmyk(77.4%, 84.5%, 0%, 39.2%)
CIE-LAB	lab(21.49, 47.32, -67.34)
CIE-LCH	lch(21.49, 82.30, 305.10°)
OKLab	oklab(34.42% 0.0099 -0.1948)
OKLCH	oklch(34.42% 0.195 272.9)
XYZ	xyz(6.9342, 3.3764, 31.2903)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23189B #909B18

analogous

#184F9B #23189B #64189B

triadic

#23189B #9B2318 #189B23

tetradic

#23189B #9B184F #909B18 #189B64

square

#23189B #9B184F #909B18 #189B64

split-complementary

#23189B #9B6418 #4F9B18

monochromatic

#0B0831 #171066 #23189B #2F20D0 #574AE3

Accessibility & contrast

On white

12.53

#23189B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#23189B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23189B

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23189B	#FFFFFF	#000000	##FFFFFF
##23189B	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9F

Deuteranopia (green-blind)

#002D99

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23189b;
/* rgb */ color: rgb(35, 24, 155);
/* oklch */ color: oklch(34.4% 0.195 272.9);

Tailwind

colors: {
  custom: {
    50: '#755aba',
    500: '#23189b',
    950: '#000000',
  },
}

SCSS

$custom: #23189b;
$custom-light: #755aba;
$custom-dark: #000000;

JSON

{
  "hex": "#23189b",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 155
  },
  "hsl": {
    "h": 245.038,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34425,
    "c": 0.19502,
    "h": 272.9
  },
  "luminance": 0.03377
}

Semantic roles & 50–950 ramp

primary

#23189B

secondary

#BAC54A

accent

#F038E0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #23189B

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

Preview Lab → · Contrast checker → · Palette generator →