#20178F#20178F

#20178F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.182 H 273.0°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#20178F
RGB	rgb(32, 23, 143)
HSL	hsl(245, 72%, 33%)
HSV	hsv(245, 84%, 56%)
CMYK	cmyk(77.6%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(19.65, 43.85, -62.99)
CIE-LCH	lch(19.65, 76.75, 304.84°)
OKLab	oklab(32.67% 0.0095 -0.1822)
OKLCH	oklch(32.67% 0.182 273)
XYZ	xyz(5.8583, 2.9024, 26.2327)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20178F #868F17

analogous

#174A8F #20178F #5C178F

triadic

#20178F #8F2017 #178F20

tetradic

#20178F #8F174A #868F17 #178F5C

square

#20178F #8F174A #868F17 #178F5C

split-complementary

#20178F #8F5C17 #4A8F17

monochromatic

#080626 #140F5A #20178F #2C1FC4 #4C40E0

Accessibility & contrast

On white

13.29

#20178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#20178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20178F

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20178F	#FFFFFF	#000000	##FFFFFF
##20178F	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #20178f;
/* rgb */ color: rgb(32, 23, 143);
/* oklch */ color: oklch(32.7% 0.182 273.0);

Tailwind

colors: {
  custom: {
    50: '#7158b1',
    500: '#20178f',
    950: '#000000',
  },
}

SCSS

$custom: #20178f;
$custom-light: #7158b1;
$custom-dark: #000000;

JSON

{
  "hex": "#20178f",
  "rgb": {
    "r": 32,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 244.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32672,
    "c": 0.18245,
    "h": 273
  },
  "luminance": 0.02903
}

Semantic roles & 50–950 ramp

primary

#20178F

secondary

#B7C141

accent

#EF39E1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #20178F

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

Preview Lab → · Contrast checker → · Palette generator →