#20397B#20397B

#20397B is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.117 H 265.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#20397B
RGB	rgb(32, 57, 123)
HSL	hsl(224, 59%, 30%)
HSV	hsv(224, 74%, 48%)
CMYK	cmyk(74%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(25.75, 14.97, -40.44)
CIE-LCH	lch(25.75, 43.12, 290.32°)
OKLab	oklab(36.53% -0.0094 -0.1162)
OKLCH	oklch(36.53% 0.117 265.4)
XYZ	xyz(5.6327, 4.6628, 19.3382)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20397B #7B6220

analogous

#20677B #20397B #34207B

triadic

#20397B #7B2039 #397B20

tetradic

#20397B #7B2067 #7B6220 #207B34

square

#20397B #7B2067 #7B6220 #207B34

split-complementary

#20397B #7B3420 #677B20

monochromatic

#070C1A #13224A #20397B #2D50AC #466CCF

Accessibility & contrast

On white

10.87

#20397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#20397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20397B

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20397B	#FFFFFF	#000000	##FFFFFF
##20397B	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F417D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #20397b;
/* rgb */ color: rgb(32, 57, 123);
/* oklch */ color: oklch(36.5% 0.117 265.4);

Tailwind

colors: {
  custom: {
    50: '#686ea2',
    500: '#20397b',
    950: '#000000',
  },
}

SCSS

$custom: #20397b;
$custom-light: #686ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#20397b",
  "rgb": {
    "r": 32,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 223.516,
    "s": 58.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36527,
    "c": 0.11662,
    "h": 265.4
  },
  "luminance": 0.04663
}

Semantic roles & 50–950 ramp

primary

#20397B

secondary

#AE9249

accent

#B746E2

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #20397B

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

Preview Lab → · Contrast checker → · Palette generator →