#20378B#20378B

#20378B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.142 H 267.3°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#20378B
RGB	rgb(32, 55, 139)
HSL	hsl(227, 63%, 34%)
HSV	hsv(227, 77%, 55%)
CMYK	cmyk(77%, 60.4%, 0%, 45.5%)
CIE-LAB	lab(26.46, 22.72, -49.30)
CIE-LCH	lch(26.46, 54.28, 294.75°)
OKLab	oklab(37.46% -0.0067 -0.1423)
OKLCH	oklch(37.46% 0.142 267.3)
XYZ	xyz(6.6204, 4.9028, 25.0185)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20378B #8B7420

analogous

#206C8B #20378B #3E208B

triadic

#20378B #8B2037 #378B20

tetradic

#20378B #8B206C #8B7420 #208B3E

square

#20378B #8B206C #8B7420 #208B3E

split-complementary

#20378B #8B3E20 #6C8B20

monochromatic

#091028 #152359 #20378B #2B4BBD #4F6CD6

Accessibility & contrast

On white

10.60

#20378B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#20378B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20378B

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20378B	#FFFFFF	#000000	##FFFFFF
##20378B	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #20378b;
/* rgb */ color: rgb(32, 55, 139);
/* oklch */ color: oklch(37.5% 0.142 267.3);

Tailwind

colors: {
  custom: {
    50: '#6d6dae',
    500: '#20378b',
    950: '#000000',
  },
}

SCSS

$custom: #20378b;
$custom-light: #6d6dae;
$custom-dark: #000000;

JSON

{
  "hex": "#20378b",
  "rgb": {
    "r": 32,
    "g": 55,
    "b": 139
  },
  "hsl": {
    "h": 227.103,
    "s": 62.573,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37459,
    "c": 0.14249,
    "h": 267.3
  },
  "luminance": 0.04904
}

Semantic roles & 50–950 ramp

primary

#20378B

secondary

#BAA24D

accent

#C242E6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #20378B

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

Preview Lab → · Contrast checker → · Palette generator →