#23279C#23279C

#23279C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.183 H 271.4°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#23279C
RGB	rgb(35, 39, 156)
HSL	hsl(238, 63%, 37%)
HSV	hsv(238, 78%, 61%)
CMYK	cmyk(77.6%, 75%, 0%, 38.8%)
CIE-LAB	lab(24.35, 39.76, -63.22)
CIE-LCH	lch(24.35, 74.69, 302.16°)
OKLab	oklab(36.46% 0.0044 -0.183)
OKLCH	oklch(36.46% 0.183 271.4)
XYZ	xyz(7.4174, 4.2079, 31.8673)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23279C #9C9823

analogous

#23639C #23279C #5C239C

triadic

#23279C #9C2327 #279C23

tetradic

#23279C #9C2363 #9C9823 #239C5C

square

#23279C #9C2363 #9C9823 #239C5C

split-complementary

#23279C #9C5C23 #639C23

monochromatic

#0D0E38 #181B6A #23279C #2E33CE #5E63DB

Accessibility & contrast

On white

11.40

#23279C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#23279C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23279C

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23279C	#FFFFFF	#000000	##FFFFFF
##23279C	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23279c;
/* rgb */ color: rgb(35, 39, 156);
/* oklch */ color: oklch(36.5% 0.183 271.4);

Tailwind

colors: {
  custom: {
    50: '#7362ba',
    500: '#23279c',
    950: '#000000',
  },
}

SCSS

$custom: #23279c;
$custom-light: #7362ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23279c",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 156
  },
  "hsl": {
    "h": 238.017,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36459,
    "c": 0.18309,
    "h": 271.4
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#23279C

secondary

#C0BC5B

accent

#E141E6

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23279C

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

Preview Lab → · Contrast checker → · Palette generator →