#18137F#18137F

#18137F is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.169 H 271.5°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#18137F
RGB	rgb(24, 19, 127)
HSL	hsl(243, 74%, 29%)
HSV	hsv(243, 85%, 50%)
CMYK	cmyk(81.1%, 85%, 0%, 50.2%)
CIE-LAB	lab(16.46, 40.14, -58.22)
CIE-LCH	lch(16.46, 70.71, 304.58°)
OKLab	oklab(29.75% 0.0045 -0.1685)
OKLCH	oklch(29.75% 0.169 271.5)
XYZ	xyz(4.4390, 2.1917, 20.2637)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18137F #7A7F13

analogous

#13447F #18137F #4E137F

triadic

#18137F #7F1813 #137F18

tetradic

#18137F #7F1344 #7A7F13 #137F4E

square

#18137F #7F1344 #7A7F13 #137F4E

split-complementary

#18137F #7F4E13 #447F13

monochromatic

#05041B #0E0B4A #18137F #221BB4 #352DE0

Accessibility & contrast

On white

14.60

#18137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#18137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18137F

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18137F	#FFFFFF	#000000	##FFFFFF
##18137F	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E82

Deuteranopia (green-blind)

#00237D

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18137f;
/* rgb */ color: rgb(24, 19, 127);
/* oklch */ color: oklch(29.8% 0.169 271.5);

Tailwind

colors: {
  custom: {
    50: '#6a54a5',
    500: '#18137f',
    950: '#000000',
  },
}

SCSS

$custom: #18137f;
$custom-light: #6a54a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18137f",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 242.778,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29751,
    "c": 0.16853,
    "h": 271.5
  },
  "luminance": 0.02192
}

Semantic roles & 50–950 ramp

primary

#18137F

secondary

#AFB439

accent

#F137E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #18137F

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

Preview Lab → · Contrast checker → · Palette generator →