#18217F#18217F

#18217F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.155 H 269.8°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#18217F
RGB	rgb(24, 33, 127)
HSL	hsl(235, 68%, 30%)
HSV	hsv(235, 81%, 50%)
CMYK	cmyk(81.1%, 74%, 0%, 50.2%)
CIE-LAB	lab(19.28, 32.09, -53.55)
CIE-LCH	lch(19.28, 62.43, 300.94°)
OKLab	oklab(31.74% -0.0005 -0.1551)
OKLCH	oklch(31.74% 0.155 269.8)
XYZ	xyz(4.7500, 2.8137, 20.3673)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18217F #7F7618

analogous

#18557F #18217F #42187F

triadic

#18217F #7F1821 #217F18

tetradic

#18217F #7F1855 #7F7618 #187F42

square

#18217F #7F1855 #7F7618 #187F42

split-complementary

#18217F #7F4218 #557F18

monochromatic

#05071A #0E144C #18217F #222EB2 #3846D9

Accessibility & contrast

On white

13.44

#18217F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18217F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18217F

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18217F	#FFFFFF	#000000	##FFFFFF
##18217F	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002A7D

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18217f;
/* rgb */ color: rgb(24, 33, 127);
/* oklch */ color: oklch(31.7% 0.155 269.8);

Tailwind

colors: {
  custom: {
    50: '#695da5',
    500: '#18217f',
    950: '#000000',
  },
}

SCSS

$custom: #18217f;
$custom-light: #695da5;
$custom-dark: #000000;

JSON

{
  "hex": "#18217f",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 127
  },
  "hsl": {
    "h": 234.757,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3174,
    "c": 0.1551,
    "h": 269.8
  },
  "luminance": 0.02814
}

Semantic roles & 50–950 ramp

primary

#18217F

secondary

#B3A93F

accent

#DC3DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18217F

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

Preview Lab → · Contrast checker → · Palette generator →