#20399E#20399E

#20399E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.166 H 267.2°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#20399E
RGB	rgb(32, 57, 158)
HSL	hsl(228, 66%, 37%)
HSV	hsv(228, 80%, 62%)
CMYK	cmyk(79.7%, 63.9%, 0%, 38%)
CIE-LAB	lab(28.65, 28.75, -57.38)
CIE-LCH	lch(28.65, 64.18, 296.61°)
OKLab	oklab(39.6% -0.008 -0.166)
OKLCH	oklch(39.6% 0.166 267.2)
XYZ	xyz(8.2282, 5.7010, 33.0079)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20399E #9E8520

analogous

#20789E #20399E #46209E

triadic

#20399E #9E2039 #399E20

tetradic

#20399E #9E2078 #9E8520 #209E46

square

#20399E #9E2078 #9E8520 #209E46

split-complementary

#20399E #9E4620 #789E20

monochromatic

#0B1438 #16276B #20399E #2A4BD1 #5B75DE

Accessibility & contrast

On white

9.81

#20399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#20399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20399E

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20399E	#FFFFFF	#000000	##FFFFFF
##20399E	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #20399e;
/* rgb */ color: rgb(32, 57, 158);
/* oklch */ color: oklch(39.6% 0.166 267.2);

Tailwind

colors: {
  custom: {
    50: '#716fbc',
    500: '#20399e',
    950: '#000000',
  },
}

SCSS

$custom: #20399e;
$custom-light: #716fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#20399e",
  "rgb": {
    "r": 32,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 228.095,
    "s": 66.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39598,
    "c": 0.16619,
    "h": 267.2
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#20399E

secondary

#C2AD58

accent

#C73FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #20399E

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

Preview Lab → · Contrast checker → · Palette generator →