#180E4E#180E4E

#180E4E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.110 H 280.6°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#180E4E
RGB	rgb(24, 14, 78)
HSL	hsl(249, 70%, 18%)
HSV	hsv(249, 82%, 31%)
CMYK	cmyk(69.2%, 82.1%, 0%, 69.4%)
CIE-LAB	lab(9.47, 26.13, -37.38)
CIE-LCH	lch(9.47, 45.60, 304.95°)
OKLab	oklab(23.1% 0.0202 -0.1078)
OKLCH	oklch(23.1% 0.11 280.6)
XYZ	xyz(1.9084, 1.0582, 7.3099)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E4E #444E0E

analogous

#0E244E #180E4E #380E4E

triadic

#180E4E #4E180E #0E4E18

tetradic

#180E4E #4E0E24 #444E0E #0E4E38

square

#180E4E #4E0E24 #444E0E #0E4E38

split-complementary

#180E4E #4E380E #244E0E

monochromatic

#08051A #08051A #180E4E #281782 #3821B6

Accessibility & contrast

On white

17.33

#180E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E4E

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E4E	#FFFFFF	#000000	##FFFFFF
##180E4E	1.00	17.33	1.21	17.33
#FFFFFF	17.33	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180e4e;
/* rgb */ color: rgb(24, 14, 78);
/* oklch */ color: oklch(23.1% 0.110 280.6);

Tailwind

colors: {
  custom: {
    50: '#5e4e80',
    500: '#180e4e',
    950: '#000000',
  },
}

SCSS

$custom: #180e4e;
$custom-light: #5e4e80;
$custom-dark: #000000;

JSON

{
  "hex": "#180e4e",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 78
  },
  "hsl": {
    "h": 249.375,
    "s": 69.565,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23102,
    "c": 0.10972,
    "h": 280.6
  },
  "luminance": 0.01058
}

Semantic roles & 50–950 ramp

primary

#180E4E

secondary

#7B892F

accent

#EC3BD1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180E4E

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

Preview Lab → · Contrast checker → · Palette generator →