#23199B#23199B

#23199B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.5% C 0.194 H 272.8°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#23199B
RGB	rgb(35, 25, 155)
HSL	hsl(245, 72%, 35%)
HSV	hsv(245, 84%, 61%)
CMYK	cmyk(77.4%, 83.9%, 0%, 39.2%)
CIE-LAB	lab(21.65, 46.86, -67.08)
CIE-LCH	lch(21.65, 81.83, 304.94°)
OKLab	oklab(34.53% 0.0096 -0.194)
OKLCH	oklch(34.53% 0.194 272.8)
XYZ	xyz(6.9552, 3.4184, 31.2973)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23199B #919B19

analogous

#19509B #23199B #64199B

triadic

#23199B #9B2319 #199B23

tetradic

#23199B #9B1950 #919B19 #199B64

square

#23199B #9B1950 #919B19 #199B64

split-complementary

#23199B #9B6419 #509B19

monochromatic

#0B0832 #171166 #23199B #2F22D0 #584CE2

Accessibility & contrast

On white

12.47

#23199B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#23199B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23199B

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23199B	#FFFFFF	#000000	##FFFFFF
##23199B	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9E

Deuteranopia (green-blind)

#002E99

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23199b;
/* rgb */ color: rgb(35, 25, 155);
/* oklch */ color: oklch(34.5% 0.194 272.8);

Tailwind

colors: {
  custom: {
    50: '#745aba',
    500: '#23199b',
    950: '#000000',
  },
}

SCSS

$custom: #23199b;
$custom-light: #745aba;
$custom-dark: #000000;

JSON

{
  "hex": "#23199b",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 155
  },
  "hsl": {
    "h": 244.615,
    "s": 72.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34531,
    "c": 0.19429,
    "h": 272.8
  },
  "luminance": 0.03419
}

Semantic roles & 50–950 ramp

primary

#23199B

secondary

#BBC44C

accent

#EF39E1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #23199B

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

Preview Lab → · Contrast checker → · Palette generator →