#18113C#18113C

#18113C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.079 H 285.2°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#18113C
RGB	rgb(24, 17, 60)
HSL	hsl(250, 56%, 15%)
HSV	hsv(250, 72%, 24%)
CMYK	cmyk(60%, 71.7%, 0%, 76.5%)
CIE-LAB	lab(8.32, 17.53, -26.59)
CIE-LCH	lch(8.32, 31.85, 303.39°)
OKLab	oklab(21.7% 0.0207 -0.0762)
OKLCH	oklch(21.7% 0.079 285.2)
XYZ	xyz(1.3925, 0.9213, 4.3785)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18113C #353C11

analogous

#11203C #18113C #2D113C

triadic

#18113C #3C1811 #113C18

tetradic

#18113C #3C1120 #353C11 #113C2D

square

#18113C #3C1120 #353C11 #113C2D

split-complementary

#18113C #3C2D11 #203C11

monochromatic

#0A0718 #0A0718 #18113C #2B1F6C #3E2C9B

Accessibility & contrast

On white

17.73

#18113C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#18113C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18113C

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18113C	#FFFFFF	#000000	##FFFFFF
##18113C	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193D

Deuteranopia (green-blind)

#00173B

Tritanopia (blue-blind)

#0A1B24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #18113c;
/* rgb */ color: rgb(24, 17, 60);
/* oklch */ color: oklch(21.7% 0.079 285.2);

Tailwind

colors: {
  custom: {
    50: '#594f72',
    500: '#18113c',
    950: '#000000',
  },
}

SCSS

$custom: #18113c;
$custom-light: #594f72;
$custom-dark: #000000;

JSON

{
  "hex": "#18113c",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 60
  },
  "hsl": {
    "h": 249.767,
    "s": 55.844,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21701,
    "c": 0.079,
    "h": 285.2
  },
  "luminance": 0.00921
}

Semantic roles & 50–950 ramp

primary

#18113C

secondary

#6B7533

accent

#DF49C7

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040208

muted

#79787B

Preview Lab

Preview with #18113C

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

Preview Lab → · Contrast checker → · Palette generator →