#23299C#23299C

#23299C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.181 H 271.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#23299C
RGB	rgb(35, 41, 156)
HSL	hsl(237, 63%, 37%)
HSV	hsv(237, 78%, 61%)
CMYK	cmyk(77.6%, 73.7%, 0%, 38.8%)
CIE-LAB	lab(24.77, 38.57, -62.52)
CIE-LCH	lch(24.77, 73.46, 301.67°)
OKLab	oklab(36.76% 0.0035 -0.181)
OKLCH	oklch(36.76% 0.181 271.1)
XYZ	xyz(7.4848, 4.3427, 31.8898)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23299C #9C9623

analogous

#23659C #23299C #5A239C

triadic

#23299C #9C2329 #299C23

tetradic

#23299C #9C2365 #9C9623 #239C5A

square

#23299C #9C2365 #9C9623 #239C5A

split-complementary

#23299C #9C5A23 #659C23

monochromatic

#0D0F38 #181C6A #23299C #2E36CE #5E65DB

Accessibility & contrast

On white

11.24

#23299C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#23299C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23299C

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23299C	#FFFFFF	#000000	##FFFFFF
##23299C	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419F

Deuteranopia (green-blind)

#00359A

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23299c;
/* rgb */ color: rgb(35, 41, 156);
/* oklch */ color: oklch(36.8% 0.181 271.1);

Tailwind

colors: {
  custom: {
    50: '#7364ba',
    500: '#23299c',
    950: '#000000',
  },
}

SCSS

$custom: #23299c;
$custom-light: #7364ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23299c",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 156
  },
  "hsl": {
    "h": 237.025,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36763,
    "c": 0.18104,
    "h": 271.1
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#23299C

secondary

#C0BB5B

accent

#DE41E6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23299C

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

Preview Lab → · Contrast checker → · Palette generator →