#18154A#18154A

#18154A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.095 H 279.0°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#18154A
RGB	rgb(24, 21, 74)
HSL	hsl(243, 56%, 19%)
HSV	hsv(243, 72%, 29%)
CMYK	cmyk(67.6%, 71.6%, 0%, 71%)
CIE-LAB	lab(10.74, 19.98, -32.52)
CIE-LCH	lch(10.74, 38.17, 301.56°)
OKLab	oklab(23.88% 0.0148 -0.0936)
OKLCH	oklch(23.88% 0.095 279)
XYZ	xyz(1.8805, 1.2248, 6.6146)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18154A #474A15

analogous

#152C4A #18154A #32154A

triadic

#18154A #4A1815 #154A18

tetradic

#18154A #4A152C #474A15 #154A32

square

#18154A #4A152C #474A15 #154A32

split-complementary

#18154A #4A3215 #2C4A15

monochromatic

#080718 #09071A #18154A #27237A #3730A9

Accessibility & contrast

On white

16.87

#18154A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#18154A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18154A

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18154A	#FFFFFF	#000000	##FFFFFF
##18154A	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001B49

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #18154a;
/* rgb */ color: rgb(24, 21, 74);
/* oklch */ color: oklch(23.9% 0.095 279.0);

Tailwind

colors: {
  custom: {
    50: '#5c527d',
    500: '#18154a',
    950: '#000000',
  },
}

SCSS

$custom: #18154a;
$custom-light: #5c527d;
$custom-dark: #000000;

JSON

{
  "hex": "#18154a",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 74
  },
  "hsl": {
    "h": 243.396,
    "s": 55.789,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23883,
    "c": 0.0948,
    "h": 279
  },
  "luminance": 0.01225
}

Semantic roles & 50–950 ramp

primary

#18154A

secondary

#7E8239

accent

#DF49D7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #18154A

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

Preview Lab → · Contrast checker → · Palette generator →