#23317A#23317A

#23317A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.125 H 270.3°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#23317A
RGB	rgb(35, 49, 122)
HSL	hsl(230, 55%, 31%)
HSV	hsv(230, 71%, 48%)
CMYK	cmyk(71.3%, 59.8%, 0%, 52.2%)
CIE-LAB	lab(23.53, 20.65, -43.39)
CIE-LCH	lch(23.53, 48.05, 295.45°)
OKLab	oklab(34.88% 0.0008 -0.125)
OKLCH	oklch(34.88% 0.125 270.3)
XYZ	xyz(5.3031, 3.9586, 18.8932)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23317A #7A6C23

analogous

#235C7A #23317A #40237A

triadic

#23317A #7A2331 #317A23

tetradic

#23317A #7A235C #7A6C23 #237A40

square

#23317A #7A235C #7A6C23 #237A40

split-complementary

#23317A #7A4023 #5C7A23

monochromatic

#080B1B #151E4A #23317A #3144AA #4C60CC

Accessibility & contrast

On white

11.72

#23317A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#23317A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23317A

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23317A	#FFFFFF	#000000	##FFFFFF
##23317A	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7C

Deuteranopia (green-blind)

#003479

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #23317a;
/* rgb */ color: rgb(35, 49, 122);
/* oklch */ color: oklch(34.9% 0.125 270.3);

Tailwind

colors: {
  custom: {
    50: '#6a68a1',
    500: '#23317a',
    950: '#000000',
  },
}

SCSS

$custom: #23317a;
$custom-light: #6a68a1;
$custom-dark: #000000;

JSON

{
  "hex": "#23317a",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 122
  },
  "hsl": {
    "h": 230.345,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34876,
    "c": 0.12499,
    "h": 270.3
  },
  "luminance": 0.03959
}

Semantic roles & 50–950 ramp

primary

#23317A

secondary

#AD9D4C

accent

#C749DF

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23317A

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

Preview Lab → · Contrast checker → · Palette generator →