#18113D#18113D

#18113D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.8% C 0.081 H 284.8°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#18113D
RGB	rgb(24, 17, 61)
HSL	hsl(250, 56%, 15%)
HSV	hsv(250, 72%, 24%)
CMYK	cmyk(60.7%, 72.1%, 0%, 76.1%)
CIE-LAB	lab(8.41, 17.90, -27.16)
CIE-LCH	lch(8.41, 32.53, 303.39°)
OKLab	oklab(21.8% 0.0206 -0.0779)
OKLCH	oklch(21.8% 0.081 284.8)
XYZ	xyz(1.4192, 0.9319, 4.5191)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18113D #363D11

analogous

#11203D #18113D #2E113D

triadic

#18113D #3D1811 #113D18

tetradic

#18113D #3D1120 #363D11 #113D2E

square

#18113D #3D1120 #363D11 #113D2E

split-complementary

#18113D #3D2E11 #203D11

monochromatic

#090718 #090718 #18113D #2B1E6D #3E2C9D

Accessibility & contrast

On white

17.70

#18113D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#18113D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18113D

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18113D	#FFFFFF	#000000	##FFFFFF
##18113D	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3E

Deuteranopia (green-blind)

#00173C

Tritanopia (blue-blind)

#091C25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #18113d;
/* rgb */ color: rgb(24, 17, 61);
/* oklch */ color: oklch(21.8% 0.081 284.8);

Tailwind

colors: {
  custom: {
    50: '#594f73',
    500: '#18113d',
    950: '#000000',
  },
}

SCSS

$custom: #18113d;
$custom-light: #594f73;
$custom-dark: #000000;

JSON

{
  "hex": "#18113d",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 61
  },
  "hsl": {
    "h": 249.545,
    "s": 56.41,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21799,
    "c": 0.08058,
    "h": 284.8
  },
  "luminance": 0.00932
}

Semantic roles & 50–950 ramp

primary

#18113D

secondary

#6C7633

accent

#E048C8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #18113D

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

Preview Lab → · Contrast checker → · Palette generator →