#20188C#20188C

#20188C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.178 H 273.2°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#20188C
RGB	rgb(32, 24, 140)
HSL	hsl(244, 71%, 32%)
HSV	hsv(244, 83%, 55%)
CMYK	cmyk(77.1%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(19.45, 42.40, -61.45)
CIE-LCH	lch(19.45, 74.66, 304.61°)
OKLab	oklab(32.42% 0.01 -0.1778)
OKLCH	oklch(32.42% 0.178 273.2)
XYZ	xyz(5.6543, 2.8532, 25.0586)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20188C #848C18

analogous

#184A8C #20188C #5A188C

triadic

#20188C #8C2018 #188C20

tetradic

#20188C #8C184A #848C18 #188C5A

square

#20188C #8C184A #848C18 #188C5A

split-complementary

#20188C #8C5A18 #4A8C18

monochromatic

#080624 #140F58 #20188C #2C21C0 #4B40DE

Accessibility & contrast

On white

13.37

#20188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#20188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20188C

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20188C	#FFFFFF	#000000	##FFFFFF
##20188C	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #20188c;
/* rgb */ color: rgb(32, 24, 140);
/* oklch */ color: oklch(32.4% 0.178 273.2);

Tailwind

colors: {
  custom: {
    50: '#7058af',
    500: '#20188c',
    950: '#000000',
  },
}

SCSS

$custom: #20188c;
$custom-light: #7058af;
$custom-dark: #000000;

JSON

{
  "hex": "#20188c",
  "rgb": {
    "r": 32,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 244.138,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32425,
    "c": 0.17805,
    "h": 273.2
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#20188C

secondary

#B6BF41

accent

#ED3AE1

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #20188C

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

Preview Lab → · Contrast checker → · Palette generator →