#180E4B#180E4B

#180E4B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.8% C 0.106 H 281.5°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#180E4B
RGB	rgb(24, 14, 75)
HSL	hsl(250, 69%, 17%)
HSV	hsv(250, 81%, 29%)
CMYK	cmyk(68%, 81.3%, 0%, 70.6%)
CIE-LAB	lab(9.12, 25.06, -35.86)
CIE-LCH	lch(9.12, 43.75, 304.95°)
OKLab	oklab(22.76% 0.021 -0.1034)
OKLCH	oklch(22.76% 0.106 281.5)
XYZ	xyz(1.8033, 1.0161, 6.7564)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E4B #414B0E

analogous

#0E234B #180E4B #360E4B

triadic

#180E4B #4B180E #0E4B18

tetradic

#180E4B #4B0E23 #414B0E #0E4B36

square

#180E4B #4B0E23 #414B0E #0E4B36

split-complementary

#180E4B #4B360E #234B0E

monochromatic

#08051A #08051A #180E4B #29187F #3921B2

Accessibility & contrast

On white

17.45

#180E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#180E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E4B

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E4B	#FFFFFF	#000000	##FFFFFF
##180E4B	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4D

Deuteranopia (green-blind)

#00174A

Tritanopia (blue-blind)

#001F2B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180e4b;
/* rgb */ color: rgb(24, 14, 75);
/* oklch */ color: oklch(22.8% 0.106 281.5);

Tailwind

colors: {
  custom: {
    50: '#5d4e7e',
    500: '#180e4b',
    950: '#000000',
  },
}

SCSS

$custom: #180e4b;
$custom-light: #5d4e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#180e4b",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 75
  },
  "hsl": {
    "h": 249.836,
    "s": 68.539,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22757,
    "c": 0.10552,
    "h": 281.5
  },
  "luminance": 0.01016
}

Semantic roles & 50–950 ramp

primary

#180E4B

secondary

#78862F

accent

#EB3CCF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180E4B

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

Preview Lab → · Contrast checker → · Palette generator →