#23408B#23408B

#23408B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.130 H 265.0°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#23408B
RGB	rgb(35, 64, 139)
HSL	hsl(223, 60%, 34%)
HSV	hsv(223, 75%, 55%)
CMYK	cmyk(74.8%, 54%, 0%, 45.5%)
CIE-LAB	lab(29.13, 16.90, -44.95)
CIE-LCH	lch(29.13, 48.03, 290.61°)
OKLab	oklab(39.51% -0.0112 -0.1294)
OKLCH	oklch(39.51% 0.13 265)
XYZ	xyz(7.1851, 5.8874, 25.1788)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23408B #8B6E23

analogous

#23748B #23408B #3A238B

triadic

#23408B #8B2340 #408B23

tetradic

#23408B #8B2374 #8B6E23 #238B3A

square

#23408B #8B2374 #8B6E23 #238B3A

split-complementary

#23408B #8B3A23 #748B23

monochromatic

#0A1329 #17295A #23408B #2F57BC #5478D4

Accessibility & contrast

On white

9.64

#23408B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#23408B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23408B

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23408B	#FFFFFF	#000000	##FFFFFF
##23408B	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4A8E

Deuteranopia (green-blind)

#00408A

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #23408b;
/* rgb */ color: rgb(35, 64, 139);
/* oklch */ color: oklch(39.5% 0.130 265.0);

Tailwind

colors: {
  custom: {
    50: '#6d74ad',
    500: '#23408b',
    950: '#000000',
  },
}

SCSS

$custom: #23408b;
$custom-light: #6d74ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23408b",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 139
  },
  "hsl": {
    "h": 223.269,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39506,
    "c": 0.12985,
    "h": 265
  },
  "luminance": 0.05888
}

Semantic roles & 50–950 ramp

primary

#23408B

secondary

#B89B52

accent

#B745E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23408B

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

Preview Lab → · Contrast checker → · Palette generator →