#180A28#180A28

#180A28 is a very dark, muted violet. Relative luminance 0.006; OKLCH L 18.5% C 0.060 H 302.4°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#180A28
RGB	rgb(24, 10, 40)
HSL	hsl(268, 60%, 10%)
HSV	hsv(268, 75%, 16%)
CMYK	cmyk(40%, 75%, 0%, 84.3%)
CIE-LAB	lab(5.10, 13.57, -17.00)
CIE-LCH	lch(5.10, 21.76, 308.59°)
OKLab	oklab(18.47% 0.032 -0.0503)
OKLCH	oklch(18.47% 0.06 302.4)
XYZ	xyz(0.8681, 0.5645, 2.0703)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A28 #1A280A

analogous

#0A0B28 #180A28 #270A28

triadic

#180A28 #28180A #0A2818

tetradic

#180A28 #280A0B #1A280A #0A2827

square

#180A28 #280A0B #1A280A #0A2827

split-complementary

#180A28 #28270A #0B280A

monochromatic

#0F0618 #0F0618 #180A28 #351659 #53228A

Accessibility & contrast

On white

18.87

#180A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#180A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A28

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A28	#FFFFFF	#000000	##FFFFFF
##180A28	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011129

Deuteranopia (green-blind)

#041127

Tritanopia (blue-blind)

#151017

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180a28;
/* rgb */ color: rgb(24, 10, 40);
/* oklch */ color: oklch(18.5% 0.060 302.4);

Tailwind

colors: {
  custom: {
    50: '#554b62',
    500: '#180a28',
    950: '#000000',
  },
}

SCSS

$custom: #180a28;
$custom-light: #554b62;
$custom-dark: #000000;

JSON

{
  "hex": "#180a28",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 40
  },
  "hsl": {
    "h": 268,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18466,
    "c": 0.05961,
    "h": 302.4
  },
  "luminance": 0.00564
}

Semantic roles & 50–950 ramp

primary

#180A28

secondary

#496529

accent

#E34599

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#030105

muted

#787779

Preview Lab

Preview with #180A28

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

Preview Lab → · Contrast checker → · Palette generator →