#23279A#23279A

#23279A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.2% C 0.181 H 271.5°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#23279A
RGB	rgb(35, 39, 154)
HSL	hsl(238, 63%, 37%)
HSV	hsv(238, 77%, 60%)
CMYK	cmyk(77.3%, 74.7%, 0%, 39.6%)
CIE-LAB	lab(24.13, 39.06, -62.36)
CIE-LCH	lch(24.13, 73.58, 302.07°)
OKLab	oklab(36.24% 0.0048 -0.1805)
OKLCH	oklch(36.24% 0.181 271.5)
XYZ	xyz(7.2494, 4.1407, 30.9828)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23279A #9A9623

analogous

#23639A #23279A #5B239A

triadic

#23279A #9A2327 #279A23

tetradic

#23279A #9A2363 #9A9623 #239A5B

square

#23279A #9A2363 #9A9623 #239A5B

split-complementary

#23279A #9A5B23 #639A23

monochromatic

#0C0E36 #181A68 #23279A #2E34CC #5D61DA

Accessibility & contrast

On white

11.49

#23279A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#23279A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23279A

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23279A	#FFFFFF	#000000	##FFFFFF
##23279A	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003398

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #23279a;
/* rgb */ color: rgb(35, 39, 154);
/* oklch */ color: oklch(36.2% 0.181 271.5);

Tailwind

colors: {
  custom: {
    50: '#7362b9',
    500: '#23279a',
    950: '#000000',
  },
}

SCSS

$custom: #23279a;
$custom-light: #7362b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23279a",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 154
  },
  "hsl": {
    "h": 237.983,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36241,
    "c": 0.18058,
    "h": 271.5
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#23279A

secondary

#BFBC5A

accent

#E042E6

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #23279A

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

Preview Lab → · Contrast checker → · Palette generator →