#20399B#20399B

#20399B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.162 H 267.2°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#20399B
RGB	rgb(32, 57, 155)
HSL	hsl(228, 66%, 37%)
HSV	hsv(228, 79%, 61%)
CMYK	cmyk(79.4%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(28.38, 27.59, -55.99)
CIE-LCH	lch(28.38, 62.42, 296.24°)
OKLab	oklab(39.32% -0.008 -0.1619)
OKLCH	oklch(39.32% 0.162 267.2)
XYZ	xyz(7.9731, 5.5990, 31.6645)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20399B #9B8220

analogous

#20779B #20399B #45209B

triadic

#20399B #9B2039 #399B20

tetradic

#20399B #9B2077 #9B8220 #209B45

square

#20399B #9B2077 #9B8220 #209B45

split-complementary

#20399B #9B4520 #779B20

monochromatic

#0B1436 #162668 #20399B #2A4CCE #5974DD

Accessibility & contrast

On white

9.91

#20399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#20399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20399B

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20399B	#FFFFFF	#000000	##FFFFFF
##20399B	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #20399b;
/* rgb */ color: rgb(32, 57, 155);
/* oklch */ color: oklch(39.3% 0.162 267.2);

Tailwind

colors: {
  custom: {
    50: '#716fb9',
    500: '#20399b',
    950: '#000000',
  },
}

SCSS

$custom: #20399b;
$custom-light: #716fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#20399b",
  "rgb": {
    "r": 32,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 227.805,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39317,
    "c": 0.16214,
    "h": 267.2
  },
  "luminance": 0.056
}

Semantic roles & 50–950 ramp

primary

#20399B

secondary

#C1AB56

accent

#C63FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #20399B

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

Preview Lab → · Contrast checker → · Palette generator →