#20178C#20178C

#20178C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.179 H 273.3°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#20178C
RGB	rgb(32, 23, 140)
HSL	hsl(245, 72%, 32%)
HSV	hsv(245, 84%, 55%)
CMYK	cmyk(77.1%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(19.28, 42.90, -61.73)
CIE-LCH	lch(19.28, 75.17, 304.80°)
OKLab	oklab(32.31% 0.0103 -0.1786)
OKLCH	oklch(32.31% 0.179 273.3)
XYZ	xyz(5.6341, 2.8127, 25.0518)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20178C #838C17

analogous

#17498C #20178C #5A178C

triadic

#20178C #8C2017 #178C20

tetradic

#20178C #8C1749 #838C17 #178C5A

square

#20178C #8C1749 #838C17 #178C5A

split-complementary

#20178C #8C5A17 #498C17

monochromatic

#080623 #140E57 #20178C #2C20C1 #4A3EDF

Accessibility & contrast

On white

13.44

#20178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#20178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20178C

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20178C	#FFFFFF	#000000	##FFFFFF
##20178C	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #20178c;
/* rgb */ color: rgb(32, 23, 140);
/* oklch */ color: oklch(32.3% 0.179 273.3);

Tailwind

colors: {
  custom: {
    50: '#7058af',
    500: '#20178c',
    950: '#000000',
  },
}

SCSS

$custom: #20178c;
$custom-light: #7058af;
$custom-dark: #000000;

JSON

{
  "hex": "#20178c",
  "rgb": {
    "r": 32,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 244.615,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32308,
    "c": 0.17886,
    "h": 273.3
  },
  "luminance": 0.02813
}

Semantic roles & 50–950 ramp

primary

#20178C

secondary

#B6BF3F

accent

#EF39E1

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #20178C

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

Preview Lab → · Contrast checker → · Palette generator →