#20188B#20188B

#20188B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.177 H 273.3°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#20188B
RGB	rgb(32, 24, 139)
HSL	hsl(244, 71%, 32%)
HSV	hsv(244, 83%, 55%)
CMYK	cmyk(77%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(19.32, 42.08, -61.03)
CIE-LCH	lch(19.32, 74.13, 304.59°)
OKLab	oklab(32.31% 0.0102 -0.1765)
OKLCH	oklch(32.31% 0.177 273.3)
XYZ	xyz(5.5809, 2.8238, 24.6720)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20188B #838B18

analogous

#184A8B #20188B #5A188B

triadic

#20188B #8B2018 #188B20

tetradic

#20188B #8B184A #838B18 #188B5A

square

#20188B #8B184A #838B18 #188B5A

split-complementary

#20188B #8B5A18 #4A8B18

monochromatic

#080623 #140F57 #20188B #2C21BF #4A3FDE

Accessibility & contrast

On white

13.42

#20188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#20188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20188B

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20188B	#FFFFFF	#000000	##FFFFFF
##20188B	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002989

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #20188b;
/* rgb */ color: rgb(32, 24, 139);
/* oklch */ color: oklch(32.3% 0.177 273.3);

Tailwind

colors: {
  custom: {
    50: '#7058ae',
    500: '#20188b',
    950: '#000000',
  },
}

SCSS

$custom: #20188b;
$custom-light: #7058ae;
$custom-dark: #000000;

JSON

{
  "hex": "#20188b",
  "rgb": {
    "r": 32,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 244.174,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32305,
    "c": 0.17683,
    "h": 273.3
  },
  "luminance": 0.02824
}

Semantic roles & 50–950 ramp

primary

#20188B

secondary

#B6BE40

accent

#ED3AE1

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #20188B

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

Preview Lab → · Contrast checker → · Palette generator →