#20188F#20188F

#20188F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.8% C 0.182 H 272.9°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#20188F
RGB	rgb(32, 24, 143)
HSL	hsl(244, 71%, 33%)
HSV	hsv(244, 83%, 56%)
CMYK	cmyk(77.6%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(19.81, 43.36, -62.71)
CIE-LCH	lch(19.81, 76.24, 304.66°)
OKLab	oklab(32.79% 0.0092 -0.1814)
OKLCH	oklch(32.79% 0.182 272.9)
XYZ	xyz(5.8786, 2.9429, 26.2395)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20188F #878F18

analogous

#184B8F #20188F #5C188F

triadic

#20188F #8F2018 #188F20

tetradic

#20188F #8F184B #878F18 #188F5C

square

#20188F #8F184B #878F18 #188F5C

split-complementary

#20188F #8F5C18 #4B8F18

monochromatic

#090626 #140F5B #20188F #2C21C3 #4D42DF

Accessibility & contrast

On white

13.22

#20188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#20188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20188F

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20188F	#FFFFFF	#000000	##FFFFFF
##20188F	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #20188f;
/* rgb */ color: rgb(32, 24, 143);
/* oklch */ color: oklch(32.8% 0.182 272.9);

Tailwind

colors: {
  custom: {
    50: '#7159b1',
    500: '#20188f',
    950: '#000000',
  },
}

SCSS

$custom: #20188f;
$custom-light: #7159b1;
$custom-dark: #000000;

JSON

{
  "hex": "#20188f",
  "rgb": {
    "r": 32,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 244.034,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32786,
    "c": 0.18166,
    "h": 272.9
  },
  "luminance": 0.02944
}

Semantic roles & 50–950 ramp

primary

#20188F

secondary

#B8C043

accent

#EE3AE2

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #20188F

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

Preview Lab → · Contrast checker → · Palette generator →