#20378E#20378E

#20378E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.147 H 267.4°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#20378E
RGB	rgb(32, 55, 142)
HSL	hsl(227, 63%, 34%)
HSV	hsv(227, 77%, 56%)
CMYK	cmyk(77.5%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(26.71, 23.90, -50.74)
CIE-LCH	lch(26.71, 56.09, 295.22°)
OKLab	oklab(37.73% -0.0067 -0.1466)
OKLCH	oklch(37.73% 0.147 267.4)
XYZ	xyz(6.8426, 4.9917, 26.1888)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20378E #8E7720

analogous

#206E8E #20378E #40208E

triadic

#20378E #8E2037 #378E20

tetradic

#20378E #8E206E #8E7720 #208E40

square

#20378E #8E206E #8E7720 #208E40

split-complementary

#20378E #8E4020 #6E8E20

monochromatic

#09102A #15245C #20378E #2B4AC0 #516DD8

Accessibility & contrast

On white

10.51

#20378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#20378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20378E

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20378E	#FFFFFF	#000000	##FFFFFF
##20378E	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #20378e;
/* rgb */ color: rgb(32, 55, 142);
/* oklch */ color: oklch(37.7% 0.147 267.4);

Tailwind

colors: {
  custom: {
    50: '#6d6db0',
    500: '#20378e',
    950: '#000000',
  },
}

SCSS

$custom: #20378e;
$custom-light: #6d6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#20378e",
  "rgb": {
    "r": 32,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 227.455,
    "s": 63.218,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37729,
    "c": 0.14671,
    "h": 267.4
  },
  "luminance": 0.04992
}

Semantic roles & 50–950 ramp

primary

#20378E

secondary

#BBA44F

accent

#C442E6

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #20378E

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

Preview Lab → · Contrast checker → · Palette generator →