#180E4D#180E4D

#180E4D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 23.0% C 0.108 H 280.9°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#180E4D
RGB	rgb(24, 14, 77)
HSL	hsl(250, 69%, 18%)
HSV	hsv(250, 82%, 30%)
CMYK	cmyk(68.8%, 81.8%, 0%, 69.8%)
CIE-LAB	lab(9.35, 25.77, -36.87)
CIE-LCH	lch(9.35, 44.99, 304.95°)
OKLab	oklab(22.99% 0.0204 -0.1064)
OKLCH	oklch(22.99% 0.108 280.9)
XYZ	xyz(1.8729, 1.0439, 7.1225)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E4D #434D0E

analogous

#0E234D #180E4D #370E4D

triadic

#180E4D #4D180E #0E4D18

tetradic

#180E4D #4D0E23 #434D0E #0E4D37

square

#180E4D #4D0E23 #434D0E #0E4D37

split-complementary

#180E4D #4D370E #234D0E

monochromatic

#08051A #08051A #180E4D #281781 #3821B5

Accessibility & contrast

On white

17.37

#180E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E4D

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E4D	#FFFFFF	#000000	##FFFFFF
##180E4D	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4F

Deuteranopia (green-blind)

#00184C

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180e4d;
/* rgb */ color: rgb(24, 14, 77);
/* oklch */ color: oklch(23.0% 0.108 280.9);

Tailwind

colors: {
  custom: {
    50: '#5d4e80',
    500: '#180e4d',
    950: '#000000',
  },
}

SCSS

$custom: #180e4d;
$custom-light: #5d4e80;
$custom-dark: #000000;

JSON

{
  "hex": "#180e4d",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 77
  },
  "hsl": {
    "h": 249.524,
    "s": 69.231,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22986,
    "c": 0.10832,
    "h": 280.9
  },
  "luminance": 0.01044
}

Semantic roles & 50–950 ramp

primary

#180E4D

secondary

#7A882F

accent

#EC3CD0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180E4D

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

Preview Lab → · Contrast checker → · Palette generator →