#181C26#181C26

#181C26 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.7% C 0.020 H 267.8°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#181C26
RGB	rgb(24, 28, 38)
HSL	hsl(223, 23%, 12%)
HSV	hsv(223, 37%, 15%)
CMYK	cmyk(36.8%, 26.3%, 0%, 85.1%)
CIE-LAB	lab(10.29, 1.17, -7.42)
CIE-LCH	lch(10.29, 7.51, 279.00°)
OKLab	oklab(22.71% -0.0008 -0.0204)
OKLCH	oklch(22.71% 0.02 267.8)
XYZ	xyz(1.1417, 1.1646, 1.9980)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181C26 #262218

analogous

#182326 #181C26 #1B1826

triadic

#181C26 #26181C #1C2618

tetradic

#181C26 #261823 #262218 #18261B

square

#181C26 #261823 #262218 #18261B

split-complementary

#181C26 #261B18 #232618

monochromatic

#0C0E13 #0C0E13 #181C26 #30384C #475371

Accessibility & contrast

On white

17.03

#181C26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#181C26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C26

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181C26	#FFFFFF	#000000	##FFFFFF
##181C26	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191D26

Deuteranopia (green-blind)

#181C26

Tritanopia (blue-blind)

#141E1F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #181c26;
/* rgb */ color: rgb(24, 28, 38);
/* oklch */ color: oklch(22.7% 0.020 267.8);

Tailwind

colors: {
  custom: {
    50: '#555760',
    500: '#181c26',
    950: '#000000',
  },
}

SCSS

$custom: #181c26;
$custom-light: #555760;
$custom-dark: #000000;

JSON

{
  "hex": "#181c26",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 38
  },
  "hsl": {
    "h": 222.857,
    "s": 22.581,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22706,
    "c": 0.02043,
    "h": 267.8
  },
  "luminance": 0.01165
}

Semantic roles & 50–950 ramp

primary

#181C26

secondary

#595241

accent

#A669BF

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#030304

muted

#787879

Preview Lab

Preview with #181C26

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

Preview Lab → · Contrast checker → · Palette generator →