#18124B#18124B

#18124B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.4% C 0.100 H 280.0°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#18124B
RGB	rgb(24, 18, 75)
HSL	hsl(246, 61%, 18%)
HSV	hsv(246, 76%, 29%)
CMYK	cmyk(68%, 76%, 0%, 70.6%)
CIE-LAB	lab(10.07, 22.45, -34.31)
CIE-LCH	lch(10.07, 41.00, 303.19°)
OKLab	oklab(23.43% 0.0175 -0.0989)
OKLCH	oklch(23.43% 0.1 280)
XYZ	xyz(1.8626, 1.1347, 6.7761)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18124B #454B12

analogous

#12284B #18124B #34124B

triadic

#18124B #4B1812 #124B18

tetradic

#18124B #4B1228 #454B12 #124B34

square

#18124B #4B1228 #454B12 #124B34

split-complementary

#18124B #4B3412 #284B12

monochromatic

#080619 #08061A #18124B #281E7C #382AAE

Accessibility & contrast

On white

17.11

#18124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#18124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18124B

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18124B	#FFFFFF	#000000	##FFFFFF
##18124B	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#00194A

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #18124b;
/* rgb */ color: rgb(24, 18, 75);
/* oklch */ color: oklch(23.4% 0.100 280.0);

Tailwind

colors: {
  custom: {
    50: '#5c507e',
    500: '#18124b',
    950: '#000000',
  },
}

SCSS

$custom: #18124b;
$custom-light: #5c507e;
$custom-dark: #000000;

JSON

{
  "hex": "#18124b",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 246.316,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23428,
    "c": 0.10044,
    "h": 280
  },
  "luminance": 0.01135
}

Semantic roles & 50–950 ramp

primary

#18124B

secondary

#7C8435

accent

#E443D3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #18124B

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

Preview Lab → · Contrast checker → · Palette generator →