#180E4F#180E4F

#180E4F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.111 H 280.3°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#180E4F
RGB	rgb(24, 14, 79)
HSL	hsl(249, 70%, 18%)
HSV	hsv(249, 82%, 31%)
CMYK	cmyk(69.6%, 82.3%, 0%, 69%)
CIE-LAB	lab(9.58, 26.48, -37.88)
CIE-LCH	lch(9.58, 46.22, 304.96°)
OKLab	oklab(23.22% 0.0199 -0.1093)
OKLCH	oklch(23.22% 0.111 280.3)
XYZ	xyz(1.9446, 1.0726, 7.5002)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E4F #454F0E

analogous

#0E244F #180E4F #380E4F

triadic

#180E4F #4F180E #0E4F18

tetradic

#180E4F #4F0E24 #454F0E #0E4F38

square

#180E4F #4F0E24 #454F0E #0E4F38

split-complementary

#180E4F #4F380E #244F0E

monochromatic

#08051A #08051B #180E4F #281783 #3820B7

Accessibility & contrast

On white

17.29

#180E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E4F

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E4F	#FFFFFF	#000000	##FFFFFF
##180E4F	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D51

Deuteranopia (green-blind)

#00184E

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #180e4f;
/* rgb */ color: rgb(24, 14, 79);
/* oklch */ color: oklch(23.2% 0.111 280.3);

Tailwind

colors: {
  custom: {
    50: '#5e4e81',
    500: '#180e4f',
    950: '#000000',
  },
}

SCSS

$custom: #180e4f;
$custom-light: #5e4e81;
$custom-dark: #000000;

JSON

{
  "hex": "#180e4f",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 79
  },
  "hsl": {
    "h": 249.231,
    "s": 69.892,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23218,
    "c": 0.1111,
    "h": 280.3
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#180E4F

secondary

#7C8A2F

accent

#ED3BD1

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #180E4F

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

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