#180E4C#180E4C

#180E4C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.9% C 0.107 H 281.2°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#180E4C
RGB	rgb(24, 14, 76)
HSL	hsl(250, 69%, 18%)
HSV	hsv(250, 82%, 30%)
CMYK	cmyk(68.4%, 81.6%, 0%, 70.2%)
CIE-LAB	lab(9.24, 25.42, -36.37)
CIE-LCH	lch(9.24, 44.37, 304.95°)
OKLab	oklab(22.87% 0.0207 -0.1049)
OKLCH	oklch(22.87% 0.107 281.2)
XYZ	xyz(1.8378, 1.0299, 6.9380)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E4C #424C0E

analogous

#0E234C #180E4C #370E4C

triadic

#180E4C #4C180E #0E4C18

tetradic

#180E4C #4C0E23 #424C0E #0E4C37

square

#180E4C #4C0E23 #424C0E #0E4C37

split-complementary

#180E4C #4C370E #234C0E

monochromatic

#08051A #08051A #180E4C #281880 #3921B3

Accessibility & contrast

On white

17.41

#180E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E4C

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E4C	#FFFFFF	#000000	##FFFFFF
##180E4C	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4E

Deuteranopia (green-blind)

#00184B

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180e4c;
/* rgb */ color: rgb(24, 14, 76);
/* oklch */ color: oklch(22.9% 0.107 281.2);

Tailwind

colors: {
  custom: {
    50: '#5d4e7f',
    500: '#180e4c',
    950: '#000000',
  },
}

SCSS

$custom: #180e4c;
$custom-light: #5d4e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#180e4c",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 76
  },
  "hsl": {
    "h": 249.677,
    "s": 68.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22871,
    "c": 0.10692,
    "h": 281.2
  },
  "luminance": 0.0103
}

Semantic roles & 50–950 ramp

primary

#180E4C

secondary

#79872F

accent

#EC3CCF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180E4C

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

Preview Lab → · Contrast checker → · Palette generator →