#23299F#23299F

#23299F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.1% C 0.185 H 270.9°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#23299F
RGB	rgb(35, 41, 159)
HSL	hsl(237, 64%, 38%)
HSV	hsv(237, 78%, 62%)
CMYK	cmyk(78%, 74.2%, 0%, 37.6%)
CIE-LAB	lab(25.09, 39.62, -63.82)
CIE-LCH	lch(25.09, 75.12, 301.83°)
OKLab	oklab(37.09% 0.0031 -0.1848)
OKLCH	oklch(37.09% 0.185 270.9)
XYZ	xyz(7.7420, 4.4456, 33.2442)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23299F #9F9923

analogous

#23679F #23299F #5B239F

triadic

#23299F #9F2329 #299F23

tetradic

#23299F #9F2367 #9F9923 #239F5B

square

#23299F #9F2367 #9F9923 #239F5B

split-complementary

#23299F #9F5B23 #679F23

monochromatic

#0D0F3B #181C6D #23299F #2E36D1 #6066DC

Accessibility & contrast

On white

11.12

#23299F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#23299F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23299F

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23299F	#FFFFFF	#000000	##FFFFFF
##23299F	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #23299f;
/* rgb */ color: rgb(35, 41, 159);
/* oklch */ color: oklch(37.1% 0.185 270.9);

Tailwind

colors: {
  custom: {
    50: '#7464bd',
    500: '#23299f',
    950: '#000000',
  },
}

SCSS

$custom: #23299f;
$custom-light: #7464bd;
$custom-dark: #000000;

JSON

{
  "hex": "#23299f",
  "rgb": {
    "r": 35,
    "g": 41,
    "b": 159
  },
  "hsl": {
    "h": 237.097,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37086,
    "c": 0.18483,
    "h": 270.9
  },
  "luminance": 0.04446
}

Semantic roles & 50–950 ramp

primary

#23299F

secondary

#C1BC5D

accent

#DF41E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23299F

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

Preview Lab → · Contrast checker → · Palette generator →