#18227D#18227D

#18227D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.151 H 269.7°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#18227D
RGB	rgb(24, 34, 125)
HSL	hsl(234, 68%, 29%)
HSV	hsv(234, 81%, 49%)
CMYK	cmyk(80.8%, 72.8%, 0%, 51%)
CIE-LAB	lab(19.30, 30.70, -52.25)
CIE-LCH	lch(19.30, 60.60, 300.44°)
OKLab	oklab(31.69% -0.0007 -0.1513)
OKLCH	oklch(31.69% 0.151 269.7)
XYZ	xyz(4.6491, 2.8184, 19.6970)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18227D #7D7318

analogous

#18557D #18227D #41187D

triadic

#18227D #7D1822 #227D18

tetradic

#18227D #7D1855 #7D7318 #187D41

square

#18227D #7D1855 #7D7318 #187D41

split-complementary

#18227D #7D4118 #557D18

monochromatic

#05071A #0E144A #18227D #2230B0 #3747D9

Accessibility & contrast

On white

13.43

#18227D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18227D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18227D

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18227D	#FFFFFF	#000000	##FFFFFF
##18227D	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18227d;
/* rgb */ color: rgb(24, 34, 125);
/* oklch */ color: oklch(31.7% 0.151 269.7);

Tailwind

colors: {
  custom: {
    50: '#685da4',
    500: '#18227d',
    950: '#000000',
  },
}

SCSS

$custom: #18227d;
$custom-light: #685da4;
$custom-dark: #000000;

JSON

{
  "hex": "#18227d",
  "rgb": {
    "r": 24,
    "g": 34,
    "b": 125
  },
  "hsl": {
    "h": 234.059,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3169,
    "c": 0.1513,
    "h": 269.7
  },
  "luminance": 0.02819
}

Semantic roles & 50–950 ramp

primary

#18227D

secondary

#B2A63F

accent

#D93DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18227D

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

Preview Lab → · Contrast checker → · Palette generator →