#18227A#18227A

#18227A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.147 H 269.8°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#18227A
RGB	rgb(24, 34, 122)
HSL	hsl(234, 67%, 29%)
HSV	hsv(234, 80%, 48%)
CMYK	cmyk(80.3%, 72.1%, 0%, 52.2%)
CIE-LAB	lab(18.98, 29.56, -50.86)
CIE-LCH	lch(18.98, 58.83, 300.16°)
OKLab	oklab(31.36% -0.0004 -0.1473)
OKLCH	oklch(31.36% 0.147 269.8)
XYZ	xyz(4.4604, 2.7429, 18.7029)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18227A #7A7018

analogous

#18537A #18227A #3F187A

triadic

#18227A #7A1822 #227A18

tetradic

#18227A #7A1853 #7A7018 #187A3F

square

#18227A #7A1853 #7A7018 #187A3F

split-complementary

#18227A #7A3F18 #537A18

monochromatic

#05071A #0E1447 #18227A #2230AD #3546D7

Accessibility & contrast

On white

13.56

#18227A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#18227A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18227A

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18227A	#FFFFFF	#000000	##FFFFFF
##18227A	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002978

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18227a;
/* rgb */ color: rgb(24, 34, 122);
/* oklch */ color: oklch(31.4% 0.147 269.8);

Tailwind

colors: {
  custom: {
    50: '#675da1',
    500: '#18227a',
    950: '#000000',
  },
}

SCSS

$custom: #18227a;
$custom-light: #675da1;
$custom-dark: #000000;

JSON

{
  "hex": "#18227a",
  "rgb": {
    "r": 24,
    "g": 34,
    "b": 122
  },
  "hsl": {
    "h": 233.878,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31364,
    "c": 0.14726,
    "h": 269.8
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#18227A

secondary

#AFA33F

accent

#D83EEA

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18227A

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

Preview Lab → · Contrast checker → · Palette generator →