#18286A#18286A

#18286A is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.9% C 0.117 H 268.3°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#18286A
RGB	rgb(24, 40, 106)
HSL	hsl(228, 63%, 25%)
HSV	hsv(228, 77%, 42%)
CMYK	cmyk(77.4%, 62.3%, 0%, 58.4%)
CIE-LAB	lab(19.02, 19.05, -40.48)
CIE-LCH	lch(19.02, 44.74, 295.20°)
OKLab	oklab(30.92% -0.0035 -0.1168)
OKLCH	oklch(30.92% 0.117 268.3)
XYZ	xyz(3.7361, 2.7520, 13.9672)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18286A #6A5A18

analogous

#18516A #18286A #31186A

triadic

#18286A #6A1828 #286A18

tetradic

#18286A #6A1851 #6A5A18 #186A31

square

#18286A #6A1851 #6A5A18 #186A31

split-complementary

#18286A #6A3118 #516A18

monochromatic

#060919 #0D1538 #18286A #233B9C #2F4ECE

Accessibility & contrast

On white

13.54

#18286A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#18286A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18286A

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18286A	#FFFFFF	#000000	##FFFFFF
##18286A	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326C

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#003944

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18286a;
/* rgb */ color: rgb(24, 40, 106);
/* oklch */ color: oklch(30.9% 0.117 268.3);

Tailwind

colors: {
  custom: {
    50: '#626195',
    500: '#18286a',
    950: '#000000',
  },
}

SCSS

$custom: #18286a;
$custom-light: #626195;
$custom-dark: #000000;

JSON

{
  "hex": "#18286a",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 106
  },
  "hsl": {
    "h": 228.293,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30918,
    "c": 0.11689,
    "h": 268.3
  },
  "luminance": 0.02752
}

Semantic roles & 50–950 ramp

primary

#18286A

secondary

#A08D3E

accent

#C642E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #18286A

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

Preview Lab → · Contrast checker → · Palette generator →