#23259B#23259B

#23259B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.184 H 271.7°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#23259B
RGB	rgb(35, 37, 155)
HSL	hsl(239, 63%, 37%)
HSV	hsv(239, 77%, 61%)
CMYK	cmyk(77.4%, 76.1%, 0%, 39.2%)
CIE-LAB	lab(23.82, 40.58, -63.48)
CIE-LCH	lch(23.82, 75.34, 302.59°)
OKLab	oklab(36.06% 0.0055 -0.1838)
OKLCH	oklch(36.06% 0.184 271.7)
XYZ	xyz(7.2691, 4.0462, 31.4019)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23259B #9B9923

analogous

#23619B #23259B #5D239B

triadic

#23259B #9B2325 #259B23

tetradic

#23259B #9B2361 #9B9923 #239B5D

square

#23259B #9B2361 #9B9923 #239B5D

split-complementary

#23259B #9B5D23 #619B23

monochromatic

#0C0D37 #181969 #23259B #2E31CD #5E60DB

Accessibility & contrast

On white

11.61

#23259B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#23259B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23259B

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23259B	#FFFFFF	#000000	##FFFFFF
##23259B	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003399

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #23259b;
/* rgb */ color: rgb(35, 37, 155);
/* oklch */ color: oklch(36.1% 0.184 271.7);

Tailwind

colors: {
  custom: {
    50: '#7361ba',
    500: '#23259b',
    950: '#000000',
  },
}

SCSS

$custom: #23259b;
$custom-light: #7361ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23259b",
  "rgb": {
    "r": 35,
    "g": 37,
    "b": 155
  },
  "hsl": {
    "h": 239,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36055,
    "c": 0.18384,
    "h": 271.7
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#23259B

secondary

#BFBE5A

accent

#E342E6

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23259B

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

Preview Lab → · Contrast checker → · Palette generator →