#18327B#18327B

#18327B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.6% C 0.128 H 265.3°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#18327B
RGB	rgb(24, 50, 123)
HSL	hsl(224, 67%, 29%)
HSV	hsv(224, 80%, 48%)
CMYK	cmyk(80.5%, 59.3%, 0%, 51.8%)
CIE-LAB	lab(23.35, 18.85, -44.34)
CIE-LCH	lch(23.35, 48.18, 293.03°)
OKLab	oklab(34.62% -0.0106 -0.128)
OKLCH	oklch(34.62% 0.128 265.3)
XYZ	xyz(5.0912, 3.9049, 19.2204)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18327B #7B6118

analogous

#18647B #18327B #30187B

triadic

#18327B #7B1832 #327B18

tetradic

#18327B #7B1864 #7B6118 #187B30

square

#18327B #7B1864 #7B6118 #187B30

split-complementary

#18327B #7B3018 #647B18

monochromatic

#050A1A #0E1D48 #18327B #2247AE #3660D8

Accessibility & contrast

On white

11.79

#18327B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#18327B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18327B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18327B	#FFFFFF	#000000	##FFFFFF
##18327B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #18327b;
/* rgb */ color: rgb(24, 50, 123);
/* oklch */ color: oklch(34.6% 0.128 265.3);

Tailwind

colors: {
  custom: {
    50: '#6669a2',
    500: '#18327b',
    950: '#000000',
  },
}

SCSS

$custom: #18327b;
$custom-light: #6669a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18327b",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 123
  },
  "hsl": {
    "h": 224.242,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.34618,
    "c": 0.12845,
    "h": 265.3
  },
  "luminance": 0.03905
}

Semantic roles & 50–950 ramp

primary

#18327B

secondary

#B0923F

accent

#BD3EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18327B

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

Preview Lab → · Contrast checker → · Palette generator →