#23339C#23339C

#23339C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.170 H 269.4°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#23339C
RGB	rgb(35, 51, 156)
HSL	hsl(232, 63%, 37%)
HSV	hsv(232, 78%, 61%)
CMYK	cmyk(77.6%, 67.3%, 0%, 38.8%)
CIE-LAB	lab(27.09, 32.27, -58.71)
CIE-LCH	lch(27.09, 66.99, 298.79°)
OKLab	oklab(38.43% -0.0017 -0.1699)
OKLCH	oklch(38.43% 0.17 269.4)
XYZ	xyz(7.8757, 5.1244, 32.0201)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23339C #9C8C23

analogous

#23709C #23339C #4F239C

triadic

#23339C #9C2333 #339C23

tetradic

#23339C #9C2370 #9C8C23 #239C4F

square

#23339C #9C2370 #9C8C23 #239C4F

split-complementary

#23339C #9C4F23 #709C23

monochromatic

#0D1238 #18236A #23339C #2E43CE #5E6FDB

Accessibility & contrast

On white

10.37

#23339C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#23339C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23339C

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23339C	#FFFFFF	#000000	##FFFFFF
##23339C	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469F

Deuteranopia (green-blind)

#003A9A

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23339c;
/* rgb */ color: rgb(35, 51, 156);
/* oklch */ color: oklch(38.4% 0.170 269.4);

Tailwind

colors: {
  custom: {
    50: '#726bba',
    500: '#23339c',
    950: '#000000',
  },
}

SCSS

$custom: #23339c;
$custom-light: #726bba;
$custom-dark: #000000;

JSON

{
  "hex": "#23339c",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 156
  },
  "hsl": {
    "h": 232.066,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38434,
    "c": 0.16991,
    "h": 269.4
  },
  "luminance": 0.05125
}

Semantic roles & 50–950 ramp

primary

#23339C

secondary

#C0B25B

accent

#D141E6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #23339C

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

Preview Lab → · Contrast checker → · Palette generator →