#20178D#20178D

#20178D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.180 H 273.2°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#20178D
RGB	rgb(32, 23, 141)
HSL	hsl(245, 72%, 32%)
HSV	hsv(245, 84%, 55%)
CMYK	cmyk(77.3%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(19.40, 43.21, -62.15)
CIE-LCH	lch(19.40, 75.70, 304.81°)
OKLab	oklab(32.43% 0.01 -0.1798)
OKLCH	oklch(32.43% 0.18 273.2)
XYZ	xyz(5.7082, 2.8424, 25.4419)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20178D #848D17

analogous

#17498D #20178D #5B178D

triadic

#20178D #8D2017 #178D20

tetradic

#20178D #8D1749 #848D17 #178D5B

square

#20178D #8D1749 #848D17 #178D5B

split-complementary

#20178D #8D5B17 #498D17

monochromatic

#080624 #140E58 #20178D #2C20C2 #4B3FE0

Accessibility & contrast

On white

13.39

#20178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#20178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20178D

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20178D	#FFFFFF	#000000	##FFFFFF
##20178D	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00298B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #20178d;
/* rgb */ color: rgb(32, 23, 141);
/* oklch */ color: oklch(32.4% 0.180 273.2);

Tailwind

colors: {
  custom: {
    50: '#7058b0',
    500: '#20178d',
    950: '#000000',
  },
}

SCSS

$custom: #20178d;
$custom-light: #7058b0;
$custom-dark: #000000;

JSON

{
  "hex": "#20178d",
  "rgb": {
    "r": 32,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 244.576,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32429,
    "c": 0.18006,
    "h": 273.2
  },
  "luminance": 0.02843
}

Semantic roles & 50–950 ramp

primary

#20178D

secondary

#B6C040

accent

#EF39E1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #20178D

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

Preview Lab → · Contrast checker → · Palette generator →