#23318B#23318B

#23318B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.149 H 270.2°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#23318B
RGB	rgb(35, 49, 139)
HSL	hsl(232, 60%, 34%)
HSV	hsv(232, 75%, 55%)
CMYK	cmyk(74.8%, 64.7%, 0%, 45.5%)
CIE-LAB	lab(25.01, 27.20, -51.66)
CIE-LCH	lch(25.01, 58.38, 297.76°)
OKLab	oklab(36.43% 0.0006 -0.1493)
OKLCH	oklch(36.43% 0.149 270.2)
XYZ	xyz(6.4501, 4.4174, 24.9338)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23318B #8B7D23

analogous

#23658B #23318B #49238B

triadic

#23318B #8B2331 #318B23

tetradic

#23318B #8B2365 #8B7D23 #238B49

square

#23318B #8B2365 #8B7D23 #238B49

split-complementary

#23318B #8B4923 #658B23

monochromatic

#0A0F29 #17205A #23318B #2F42BC #5466D4

Accessibility & contrast

On white

11.15

#23318B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23318B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23318B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23318B	#FFFFFF	#000000	##FFFFFF
##23318B	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23318b;
/* rgb */ color: rgb(35, 49, 139);
/* oklch */ color: oklch(36.4% 0.149 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e69ae',
    500: '#23318b',
    950: '#000000',
  },
}

SCSS

$custom: #23318b;
$custom-light: #6e69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#23318b",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 139
  },
  "hsl": {
    "h": 231.923,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36425,
    "c": 0.14927,
    "h": 270.2
  },
  "luminance": 0.04418
}

Semantic roles & 50–950 ramp

primary

#23318B

secondary

#B8AA52

accent

#CE45E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #23318B

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

Preview Lab → · Contrast checker → · Palette generator →