#23379A#23379A

#23379A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.162 H 268.6°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#23379A
RGB	rgb(35, 55, 154)
HSL	hsl(230, 63%, 37%)
HSV	hsv(230, 77%, 60%)
CMYK	cmyk(77.3%, 64.3%, 0%, 39.6%)
CIE-LAB	lab(27.90, 28.87, -56.15)
CIE-LCH	lch(27.90, 63.14, 297.21°)
OKLab	oklab(38.98% -0.004 -0.1624)
OKLCH	oklch(38.98% 0.162 268.6)
XYZ	xyz(7.8900, 5.4219, 31.1963)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23379A #9A8623

analogous

#23739A #23379A #4B239A

triadic

#23379A #9A2337 #379A23

tetradic

#23379A #9A2373 #9A8623 #239A4B

square

#23379A #9A2373 #9A8623 #239A4B

split-complementary

#23379A #9A4B23 #739A23

monochromatic

#0C1336 #182568 #23379A #2E49CC #5D72DA

Accessibility & contrast

On white

10.07

#23379A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#23379A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23379A

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23379A	#FFFFFF	#000000	##FFFFFF
##23379A	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489D

Deuteranopia (green-blind)

#003C98

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #23379a;
/* rgb */ color: rgb(35, 55, 154);
/* oklch */ color: oklch(39.0% 0.162 268.6);

Tailwind

colors: {
  custom: {
    50: '#716db9',
    500: '#23379a',
    950: '#000000',
  },
}

SCSS

$custom: #23379a;
$custom-light: #716db9;
$custom-dark: #000000;

JSON

{
  "hex": "#23379a",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 229.916,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38978,
    "c": 0.16242,
    "h": 268.6
  },
  "luminance": 0.05423
}

Semantic roles & 50–950 ramp

primary

#23379A

secondary

#BFAE5A

accent

#CA42E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #23379A

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

Preview Lab → · Contrast checker → · Palette generator →