#18197A#18197A

#18197A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.157 H 271.4°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#18197A
RGB	rgb(24, 25, 122)
HSL	hsl(239, 67%, 29%)
HSV	hsv(239, 80%, 48%)
CMYK	cmyk(80.3%, 79.5%, 0%, 52.2%)
CIE-LAB	lab(16.96, 35.20, -54.20)
CIE-LCH	lch(16.96, 64.63, 303.00°)
OKLab	oklab(29.92% 0.0037 -0.1569)
OKLCH	oklch(29.92% 0.157 271.4)
XYZ	xyz(4.2360, 2.2941, 18.6281)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18197A #7A7918

analogous

#184A7A #18197A #48187A

triadic

#18197A #7A1819 #197A18

tetradic

#18197A #7A184A #7A7918 #187A48

square

#18197A #7A184A #7A7918 #187A48

split-complementary

#18197A #7A4818 #4A7A18

monochromatic

#05051A #0E0F47 #18197A #2223AD #3537D7

Accessibility & contrast

On white

14.39

#18197A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#18197A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18197A

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18197A	#FFFFFF	#000000	##FFFFFF
##18197A	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002578

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18197a;
/* rgb */ color: rgb(24, 25, 122);
/* oklch */ color: oklch(29.9% 0.157 271.4);

Tailwind

colors: {
  custom: {
    50: '#6857a2',
    500: '#18197a',
    950: '#000000',
  },
}

SCSS

$custom: #18197a;
$custom-light: #6857a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18197a",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 122
  },
  "hsl": {
    "h": 239.388,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.2992,
    "c": 0.15696,
    "h": 271.4
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary

#18197A

secondary

#AFAE3F

accent

#E83EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #18197A

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

Preview Lab → · Contrast checker → · Palette generator →