#18133E#18133E

#18133E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.079 H 283.2°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#18133E
RGB	rgb(24, 19, 62)
HSL	hsl(247, 53%, 16%)
HSV	hsv(247, 69%, 24%)
CMYK	cmyk(61.3%, 69.4%, 0%, 75.7%)
CIE-LAB	lab(9.06, 16.83, -26.82)
CIE-LCH	lch(9.06, 31.66, 302.10°)
OKLab	oklab(22.3% 0.018 -0.0769)
OKLCH	oklch(22.3% 0.079 283.2)
XYZ	xyz(1.4788, 1.0077, 4.6731)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.51

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18133E #393E13

analogous

#13233E #18133E #2D133E

triadic

#18133E #3E1813 #133E18

tetradic

#18133E #3E1323 #393E13 #133E2D

square

#18133E #3E1323 #393E13 #133E2D

split-complementary

#18133E #3E2D13 #233E13

monochromatic

#090717 #090717 #18133E #2A216D #3C309C

Accessibility & contrast

On white

17.48

#18133E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#18133E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18133E

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18133E	#FFFFFF	#000000	##FFFFFF
##18133E	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3F

Deuteranopia (green-blind)

#00183D

Tritanopia (blue-blind)

#081D26

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #18133e;
/* rgb */ color: rgb(24, 19, 62);
/* oklch */ color: oklch(22.3% 0.079 283.2);

Tailwind

colors: {
  custom: {
    50: '#595074',
    500: '#18133e',
    950: '#000000',
  },
}

SCSS

$custom: #18133e;
$custom-light: #595074;
$custom-dark: #000000;

JSON

{
  "hex": "#18133e",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 62
  },
  "hsl": {
    "h": 246.977,
    "s": 53.086,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22298,
    "c": 0.07901,
    "h": 283.2
  },
  "luminance": 0.01008
}

Semantic roles & 50–950 ramp

primary

#18133E

secondary

#6F7736

accent

#DC4BCC

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #18133E

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

Preview Lab → · Contrast checker → · Palette generator →