#18227C#18227C

#18227C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.150 H 269.8°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#18227C
RGB	rgb(24, 34, 124)
HSL	hsl(234, 68%, 29%)
HSV	hsv(234, 81%, 49%)
CMYK	cmyk(80.6%, 72.6%, 0%, 51.4%)
CIE-LAB	lab(19.20, 30.32, -51.79)
CIE-LCH	lch(19.20, 60.01, 300.35°)
OKLab	oklab(31.58% -0.0006 -0.15)
OKLCH	oklch(31.58% 0.15 269.8)
XYZ	xyz(4.5856, 2.7930, 19.3623)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18227C #7C7218

analogous

#18547C #18227C #40187C

triadic

#18227C #7C1822 #227C18

tetradic

#18227C #7C1854 #7C7218 #187C40

square

#18227C #7C1854 #7C7218 #187C40

split-complementary

#18227C #7C4018 #547C18

monochromatic

#05071A #0E1449 #18227C #2230AF #3646D8

Accessibility & contrast

On white

13.47

#18227C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18227C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18227C

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18227C	#FFFFFF	#000000	##FFFFFF
##18227C	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18227c;
/* rgb */ color: rgb(24, 34, 124);
/* oklch */ color: oklch(31.6% 0.150 269.8);

Tailwind

colors: {
  custom: {
    50: '#685da3',
    500: '#18227c',
    950: '#000000',
  },
}

SCSS

$custom: #18227c;
$custom-light: #685da3;
$custom-dark: #000000;

JSON

{
  "hex": "#18227c",
  "rgb": {
    "r": 24,
    "g": 34,
    "b": 124
  },
  "hsl": {
    "h": 234,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31581,
    "c": 0.14996,
    "h": 269.8
  },
  "luminance": 0.02793
}

Semantic roles & 50–950 ramp

primary

#18227C

secondary

#B1A53F

accent

#D93DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18227C

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

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