#18154C#18154C

#18154C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.098 H 278.5°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#18154C
RGB	rgb(24, 21, 76)
HSL	hsl(243, 57%, 19%)
HSV	hsv(243, 72%, 30%)
CMYK	cmyk(68.4%, 72.4%, 0%, 70.2%)
CIE-LAB	lab(10.94, 20.75, -33.58)
CIE-LCH	lch(10.94, 39.47, 301.71°)
OKLab	oklab(24.09% 0.0145 -0.0968)
OKLCH	oklch(24.09% 0.098 278.5)
XYZ	xyz(1.9489, 1.2522, 6.9751)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18154C #494C15

analogous

#152E4C #18154C #34154C

triadic

#18154C #4C1815 #154C18

tetradic

#18154C #4C152E #494C15 #154C34

square

#18154C #4C152E #494C15 #154C34

split-complementary

#18154C #4C3415 #2E4C15

monochromatic

#080718 #09081C #18154C #27227C #362FAC

Accessibility & contrast

On white

16.79

#18154C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#18154C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18154C

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18154C	#FFFFFF	#000000	##FFFFFF
##18154C	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #18154c;
/* rgb */ color: rgb(24, 21, 76);
/* oklch */ color: oklch(24.1% 0.098 278.5);

Tailwind

colors: {
  custom: {
    50: '#5c527f',
    500: '#18154c',
    950: '#000000',
  },
}

SCSS

$custom: #18154c;
$custom-light: #5c527f;
$custom-dark: #000000;

JSON

{
  "hex": "#18154c",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 76
  },
  "hsl": {
    "h": 243.273,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24088,
    "c": 0.09784,
    "h": 278.5
  },
  "luminance": 0.01252
}

Semantic roles & 50–950 ramp

primary

#18154C

secondary

#808439

accent

#E048D8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #18154C

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

Preview Lab → · Contrast checker → · Palette generator →