#23307A#23307A

#23307A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.126 H 270.7°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#23307A
RGB	rgb(35, 48, 122)
HSL	hsl(231, 55%, 31%)
HSV	hsv(231, 71%, 48%)
CMYK	cmyk(71.3%, 60.7%, 0%, 52.2%)
CIE-LAB	lab(23.26, 21.35, -43.84)
CIE-LCH	lch(23.26, 48.76, 295.97°)
OKLab	oklab(34.67% 0.0016 -0.1263)
OKLCH	oklch(34.67% 0.126 270.7)
XYZ	xyz(5.2617, 3.8759, 18.8794)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23307A #7A6D23

analogous

#235B7A #23307A #41237A

triadic

#23307A #7A2330 #307A23

tetradic

#23307A #7A235B #7A6D23 #237A41

square

#23307A #7A235B #7A6D23 #237A41

split-complementary

#23307A #7A4123 #5B7A23

monochromatic

#080B1B #151D4A #23307A #3143AA #4C5FCC

Accessibility & contrast

On white

11.83

#23307A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#23307A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23307A

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23307A	#FFFFFF	#000000	##FFFFFF
##23307A	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7C

Deuteranopia (green-blind)

#003479

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23307a;
/* rgb */ color: rgb(35, 48, 122);
/* oklch */ color: oklch(34.7% 0.126 270.7);

Tailwind

colors: {
  custom: {
    50: '#6a68a1',
    500: '#23307a',
    950: '#000000',
  },
}

SCSS

$custom: #23307a;
$custom-light: #6a68a1;
$custom-dark: #000000;

JSON

{
  "hex": "#23307a",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 122
  },
  "hsl": {
    "h": 231.034,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34669,
    "c": 0.12634,
    "h": 270.7
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#23307A

secondary

#AD9E4C

accent

#C849DF

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23307A

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

Preview Lab → · Contrast checker → · Palette generator →