#18107E#18107E

#18107E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.170 H 271.8°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#18107E
RGB	rgb(24, 16, 126)
HSL	hsl(244, 77%, 28%)
HSV	hsv(244, 87%, 49%)
CMYK	cmyk(81%, 87.3%, 0%, 50.6%)
CIE-LAB	lab(15.85, 41.23, -58.59)
CIE-LCH	lch(15.85, 71.64, 305.13°)
OKLab	oklab(29.29% 0.0055 -0.1695)
OKLCH	oklch(29.29% 0.17 271.8)
XYZ	xyz(4.3266, 2.0707, 19.9063)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18107E #767E10

analogous

#103F7E #18107E #4F107E

triadic

#18107E #7E1810 #107E18

tetradic

#18107E #7E103F #767E10 #107E4F

square

#18107E #7E103F #767E10 #107E4F

split-complementary

#18107E #7E4F10 #3F7E10

monochromatic

#05031B #0E0948 #18107E #2217B4 #3325E3

Accessibility & contrast

On white

14.85

#18107E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#18107E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18107E

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18107E	#FFFFFF	#000000	##FFFFFF
##18107E	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00227C

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18107e;
/* rgb */ color: rgb(24, 16, 126);
/* oklch */ color: oklch(29.3% 0.170 271.8);

Tailwind

colors: {
  custom: {
    50: '#6a53a5',
    500: '#18107e',
    950: '#000000',
  },
}

SCSS

$custom: #18107e;
$custom-light: #6a53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18107e",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 126
  },
  "hsl": {
    "h": 244.364,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29294,
    "c": 0.16958,
    "h": 271.8
  },
  "luminance": 0.02071
}

Semantic roles & 50–950 ramp

primary

#18107E

secondary

#ABB436

accent

#F434E6

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #18107E

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

Preview Lab → · Contrast checker → · Palette generator →