#20378F#20378F

#20378F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.148 H 267.4°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#20378F
RGB	rgb(32, 55, 143)
HSL	hsl(228, 63%, 34%)
HSV	hsv(228, 78%, 56%)
CMYK	cmyk(77.6%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(26.80, 24.29, -51.22)
CIE-LCH	lch(26.80, 56.69, 295.38°)
OKLab	oklab(37.82% -0.0066 -0.148)
OKLCH	oklch(37.82% 0.148 267.4)
XYZ	xyz(6.9181, 5.0219, 26.5860)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20378F #8F7820

analogous

#206F8F #20378F #41208F

triadic

#20378F #8F2037 #378F20

tetradic

#20378F #8F206F #8F7820 #208F41

square

#20378F #8F206F #8F7820 #208F41

split-complementary

#20378F #8F4120 #6F8F20

monochromatic

#0A112B #15245D #20378F #2B4AC1 #516DD8

Accessibility & contrast

On white

10.48

#20378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#20378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20378F

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20378F	#FFFFFF	#000000	##FFFFFF
##20378F	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #20378f;
/* rgb */ color: rgb(32, 55, 143);
/* oklch */ color: oklch(37.8% 0.148 267.4);

Tailwind

colors: {
  custom: {
    50: '#6e6db1',
    500: '#20378f',
    950: '#000000',
  },
}

SCSS

$custom: #20378f;
$custom-light: #6e6db1;
$custom-dark: #000000;

JSON

{
  "hex": "#20378f",
  "rgb": {
    "r": 32,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 227.568,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37819,
    "c": 0.14812,
    "h": 267.4
  },
  "luminance": 0.05023
}

Semantic roles & 50–950 ramp

primary

#20378F

secondary

#BBA54F

accent

#C441E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #20378F

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

Preview Lab → · Contrast checker → · Palette generator →