#18117F#18117F

#18117F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.170 H 271.7°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#18117F
RGB	rgb(24, 17, 127)
HSL	hsl(244, 76%, 28%)
HSV	hsv(244, 87%, 50%)
CMYK	cmyk(81.1%, 86.6%, 0%, 50.2%)
CIE-LAB	lab(16.14, 41.09, -58.75)
CIE-LCH	lch(16.14, 71.70, 304.97°)
OKLab	oklab(29.53% 0.005 -0.17)
OKLCH	oklch(29.53% 0.17 271.7)
XYZ	xyz(4.4066, 2.1269, 20.2528)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18117F #787F11

analogous

#11417F #18117F #4F117F

triadic

#18117F #7F1811 #117F18

tetradic

#18117F #7F1141 #787F11 #117F4F

square

#18117F #7F1141 #787F11 #117F4F

split-complementary

#18117F #7F4F11 #417F11

monochromatic

#05041B #0E0A49 #18117F #2218B5 #3428E2

Accessibility & contrast

On white

14.73

#18117F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#18117F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18117F

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18117F	#FFFFFF	#000000	##FFFFFF
##18117F	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D82

Deuteranopia (green-blind)

#00227D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18117f;
/* rgb */ color: rgb(24, 17, 127);
/* oklch */ color: oklch(29.5% 0.170 271.7);

Tailwind

colors: {
  custom: {
    50: '#6a53a5',
    500: '#18117f',
    950: '#000000',
  },
}

SCSS

$custom: #18117f;
$custom-light: #6a53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18117f",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 127
  },
  "hsl": {
    "h": 243.818,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29528,
    "c": 0.17005,
    "h": 271.7
  },
  "luminance": 0.02127
}

Semantic roles & 50–950 ramp

primary

#18117F

secondary

#ADB537

accent

#F335E7

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #18117F

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

Preview Lab → · Contrast checker → · Palette generator →