#18107F#18107F

#18107F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.171 H 271.7°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#18107F
RGB	rgb(24, 16, 127)
HSL	hsl(244, 78%, 28%)
HSV	hsv(244, 87%, 50%)
CMYK	cmyk(81.1%, 87.4%, 0%, 50.2%)
CIE-LAB	lab(15.99, 41.54, -59.01)
CIE-LCH	lch(15.99, 72.17, 305.15°)
OKLab	oklab(29.42% 0.0052 -0.1707)
OKLCH	oklch(29.42% 0.171 271.7)
XYZ	xyz(4.3915, 2.0966, 20.2478)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18107F #777F10

analogous

#10407F #18107F #4F107F

triadic

#18107F #7F1810 #107F18

tetradic

#18107F #7F1040 #777F10 #107F4F

square

#18107F #7F1040 #777F10 #107F4F

split-complementary

#18107F #7F4F10 #407F10

monochromatic

#05031B #0E0949 #18107F #2217B5 #3326E4

Accessibility & contrast

On white

14.79

#18107F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#18107F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18107F

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18107F	#FFFFFF	#000000	##FFFFFF
##18107F	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	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: #18107f;
/* rgb */ color: rgb(24, 16, 127);
/* oklch */ color: oklch(29.4% 0.171 271.7);

Tailwind

colors: {
  custom: {
    50: '#6b53a5',
    500: '#18107f',
    950: '#000000',
  },
}

SCSS

$custom: #18107f;
$custom-light: #6b53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18107f",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 127
  },
  "hsl": {
    "h": 244.324,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29423,
    "c": 0.17078,
    "h": 271.7
  },
  "luminance": 0.02097
}

Semantic roles & 50–950 ramp

primary

#18107F

secondary

#ACB536

accent

#F434E6

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #18107F

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

Preview Lab → · Contrast checker → · Palette generator →