#23319A#23319A

#23319A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.170 H 269.9°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#23319A
RGB	rgb(35, 49, 154)
HSL	hsl(233, 63%, 37%)
HSV	hsv(233, 77%, 60%)
CMYK	cmyk(77.3%, 68.2%, 0%, 39.6%)
CIE-LAB	lab(26.41, 32.82, -58.61)
CIE-LCH	lch(26.41, 67.17, 299.25°)
OKLab	oklab(37.88% -0.0004 -0.1696)
OKLCH	oklch(37.88% 0.17 269.9)
XYZ	xyz(7.6222, 4.8862, 31.1070)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23319A #9A8C23

analogous

#236D9A #23319A #51239A

triadic

#23319A #9A2331 #319A23

tetradic

#23319A #9A236D #9A8C23 #239A51

square

#23319A #9A236D #9A8C23 #239A51

split-complementary

#23319A #9A5123 #6D9A23

monochromatic

#0C1136 #182168 #23319A #2E41CC #5D6CDA

Accessibility & contrast

On white

10.62

#23319A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#23319A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23319A

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23319A	#FFFFFF	#000000	##FFFFFF
##23319A	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449D

Deuteranopia (green-blind)

#003998

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #23319a;
/* rgb */ color: rgb(35, 49, 154);
/* oklch */ color: oklch(37.9% 0.170 269.9);

Tailwind

colors: {
  custom: {
    50: '#7269b9',
    500: '#23319a',
    950: '#000000',
  },
}

SCSS

$custom: #23319a;
$custom-light: #7269b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23319a",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 154
  },
  "hsl": {
    "h": 232.941,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37881,
    "c": 0.16959,
    "h": 269.9
  },
  "luminance": 0.04887
}

Semantic roles & 50–950 ramp

primary

#23319A

secondary

#BFB35A

accent

#D342E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #23319A

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

Preview Lab → · Contrast checker → · Palette generator →