#20289B#20289B

#20289B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.3% C 0.182 H 270.3°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#20289B
RGB	rgb(32, 40, 155)
HSL	hsl(236, 66%, 37%)
HSV	hsv(236, 79%, 61%)
CMYK	cmyk(79.4%, 74.2%, 0%, 39.2%)
CIE-LAB	lab(24.29, 38.56, -62.71)
CIE-LCH	lch(24.29, 73.62, 301.59°)
OKLab	oklab(36.34% 0.0009 -0.1816)
OKLCH	oklch(36.34% 0.182 270.3)
XYZ	xyz(7.2688, 4.1904, 31.4297)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20289B #9B9320

analogous

#20659B #20289B #56209B

triadic

#20289B #9B2028 #289B20

tetradic

#20289B #9B2065 #9B9320 #209B56

square

#20289B #9B2065 #9B9320 #209B56

split-complementary

#20289B #9B5620 #659B20

monochromatic

#0B0E36 #161B68 #20289B #2A35CE #5961DD

Accessibility & contrast

On white

11.42

#20289B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#20289B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20289B

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20289B	#FFFFFF	#000000	##FFFFFF
##20289B	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #20289b;
/* rgb */ color: rgb(32, 40, 155);
/* oklch */ color: oklch(36.3% 0.182 270.3);

Tailwind

colors: {
  custom: {
    50: '#7263ba',
    500: '#20289b',
    950: '#000000',
  },
}

SCSS

$custom: #20289b;
$custom-light: #7263ba;
$custom-dark: #000000;

JSON

{
  "hex": "#20289b",
  "rgb": {
    "r": 32,
    "g": 40,
    "b": 155
  },
  "hsl": {
    "h": 236.098,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36343,
    "c": 0.18162,
    "h": 270.3
  },
  "luminance": 0.04191
}

Semantic roles & 50–950 ramp

primary

#20289B

secondary

#C1BA56

accent

#DE3FE9

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #20289B

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

Preview Lab → · Contrast checker → · Palette generator →