#23318A#23318A

#23318A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.148 H 270.2°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#23318A
RGB	rgb(35, 49, 138)
HSL	hsl(232, 60%, 34%)
HSV	hsv(232, 75%, 54%)
CMYK	cmyk(74.6%, 64.5%, 0%, 45.9%)
CIE-LAB	lab(24.92, 26.81, -51.19)
CIE-LCH	lch(24.92, 57.78, 297.65°)
OKLab	oklab(36.33% 0.0006 -0.1479)
OKLCH	oklch(36.33% 0.148 270.2)
XYZ	xyz(6.3773, 4.3883, 24.5508)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23318A #8A7C23

analogous

#23658A #23318A #49238A

triadic

#23318A #8A2331 #318A23

tetradic

#23318A #8A2365 #8A7C23 #238A49

square

#23318A #8A2365 #8A7C23 #238A49

split-complementary

#23318A #8A4923 #658A23

monochromatic

#0A0E28 #172059 #23318A #2F42BB #5465D4

Accessibility & contrast

On white

11.18

#23318A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23318A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23318A

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23318A	#FFFFFF	#000000	##FFFFFF
##23318A	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23318a;
/* rgb */ color: rgb(35, 49, 138);
/* oklch */ color: oklch(36.3% 0.148 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e69ad',
    500: '#23318a',
    950: '#000000',
  },
}

SCSS

$custom: #23318a;
$custom-light: #6e69ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23318a",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 138
  },
  "hsl": {
    "h": 231.845,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36331,
    "c": 0.14788,
    "h": 270.2
  },
  "luminance": 0.04389
}

Semantic roles & 50–950 ramp

primary

#23318A

secondary

#B7AA51

accent

#CD45E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #23318A

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

Preview Lab → · Contrast checker → · Palette generator →