#18123D#18123D

#18123D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.0% C 0.079 H 284.2°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#18123D
RGB	rgb(24, 18, 61)
HSL	hsl(248, 54%, 15%)
HSV	hsv(248, 70%, 24%)
CMYK	cmyk(60.7%, 70.5%, 0%, 76.1%)
CIE-LAB	lab(8.68, 17.18, -26.71)
CIE-LCH	lch(8.68, 31.76, 302.75°)
OKLab	oklab(22% 0.0194 -0.0766)
OKLCH	oklch(22% 0.079 284.2)
XYZ	xyz(1.4350, 0.9636, 4.5244)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.68

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18123D #373D12

analogous

#12213D #18123D #2D123D

triadic

#18123D #3D1812 #123D18

tetradic

#18123D #3D1221 #373D12 #123D2D

square

#18123D #3D1221 #373D12 #123D2D

split-complementary

#18123D #3D2D12 #213D12

monochromatic

#090718 #090718 #18123D #2B206C #3D2E9C

Accessibility & contrast

On white

17.61

#18123D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#18123D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18123D

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18123D	#FFFFFF	#000000	##FFFFFF
##18123D	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3E

Deuteranopia (green-blind)

#00173C

Tritanopia (blue-blind)

#091C25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #18123d;
/* rgb */ color: rgb(24, 18, 61);
/* oklch */ color: oklch(22.0% 0.079 284.2);

Tailwind

colors: {
  custom: {
    50: '#595073',
    500: '#18123d',
    950: '#000000',
  },
}

SCSS

$custom: #18123d;
$custom-light: #595073;
$custom-dark: #000000;

JSON

{
  "hex": "#18123d",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 61
  },
  "hsl": {
    "h": 248.372,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21998,
    "c": 0.07901,
    "h": 284.2
  },
  "luminance": 0.00964
}

Semantic roles & 50–950 ramp

primary

#18123D

secondary

#6D7635

accent

#DE4AC9

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #18123D

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

Preview Lab → · Contrast checker → · Palette generator →