#23189F#23189F

#23189F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.9% C 0.200 H 272.5°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#23189F
RGB	rgb(35, 24, 159)
HSL	hsl(245, 74%, 36%)
HSV	hsv(245, 85%, 62%)
CMYK	cmyk(78%, 84.9%, 0%, 37.6%)
CIE-LAB	lab(21.99, 48.54, -68.96)
CIE-LCH	lch(21.99, 84.33, 305.14°)
OKLab	oklab(34.91% 0.0088 -0.1995)
OKLCH	oklch(34.91% 0.2 272.5)
XYZ	xyz(7.2757, 3.5130, 33.0888)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23189F #949F18

analogous

#18509F #23189F #66189F

triadic

#23189F #9F2318 #189F23

tetradic

#23189F #9F1850 #949F18 #189F66

square

#23189F #9F1850 #949F18 #189F66

split-complementary

#23189F #9F6618 #509F18

monochromatic

#0C0835 #17106A #23189F #2F20D4 #5A4DE4

Accessibility & contrast

On white

12.33

#23189F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#23189F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23189F

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23189F	#FFFFFF	#000000	##FFFFFF
##23189F	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA3

Deuteranopia (green-blind)

#002E9D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #23189f;
/* rgb */ color: rgb(35, 24, 159);
/* oklch */ color: oklch(34.9% 0.200 272.5);

Tailwind

colors: {
  custom: {
    50: '#765abd',
    500: '#23189f',
    950: '#000000',
  },
}

SCSS

$custom: #23189f;
$custom-light: #765abd;
$custom-dark: #000000;

JSON

{
  "hex": "#23189f",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 159
  },
  "hsl": {
    "h": 244.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34911,
    "c": 0.19966,
    "h": 272.5
  },
  "luminance": 0.03514
}

Semantic roles & 50–950 ramp

primary

#23189F

secondary

#BCC64D

accent

#F037E1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #23189F

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

Preview Lab → · Contrast checker → · Palette generator →