#18197B#18197B

#18197B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.158 H 271.3°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#18197B
RGB	rgb(24, 25, 123)
HSL	hsl(239, 67%, 29%)
HSV	hsv(239, 80%, 48%)
CMYK	cmyk(80.5%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(17.08, 35.55, -54.64)
CIE-LCH	lch(17.08, 65.19, 303.05°)
OKLab	oklab(30.04% 0.0035 -0.1582)
OKLCH	oklch(30.04% 0.158 271.3)
XYZ	xyz(4.2983, 2.3190, 18.9561)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18197B #7B7A18

analogous

#184B7B #18197B #49187B

triadic

#18197B #7B1819 #197B18

tetradic

#18197B #7B184B #7B7A18 #187B49

square

#18197B #7B184B #7B7A18 #187B49

split-complementary

#18197B #7B4918 #4B7B18

monochromatic

#05051A #0E0F48 #18197B #2223AE #3637D8

Accessibility & contrast

On white

14.34

#18197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#18197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18197B

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18197B	#FFFFFF	#000000	##FFFFFF
##18197B	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18197b;
/* rgb */ color: rgb(24, 25, 123);
/* oklch */ color: oklch(30.0% 0.158 271.3);

Tailwind

colors: {
  custom: {
    50: '#6957a2',
    500: '#18197b',
    950: '#000000',
  },
}

SCSS

$custom: #18197b;
$custom-light: #6957a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18197b",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 239.394,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30038,
    "c": 0.15825,
    "h": 271.3
  },
  "luminance": 0.0232
}

Semantic roles & 50–950 ramp

primary

#18197B

secondary

#B0AF3F

accent

#E83EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #18197B

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

Preview Lab → · Contrast checker → · Palette generator →