#20539B#20539B

#20539B is a dark, vivid blue. Relative luminance 0.089; OKLCH L 44.9% C 0.129 H 257.8°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#20539B
RGB	rgb(32, 83, 155)
HSL	hsl(215, 66%, 37%)
HSV	hsv(215, 79%, 61%)
CMYK	cmyk(79.4%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(35.71, 9.98, -44.10)
CIE-LCH	lch(35.71, 45.22, 282.76°)
OKLab	oklab(44.87% -0.0274 -0.1265)
OKLCH	oklch(44.87% 0.129 257.8)
XYZ	xyz(9.6031, 8.8590, 32.2078)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20539B #9B6820

analogous

#20919B #20539B #2B209B

triadic

#20539B #9B2053 #539B20

tetradic

#20539B #9B2091 #9B6820 #209B2B

square

#20539B #9B2091 #9B6820 #209B2B

split-complementary

#20539B #9B2B20 #919B20

monochromatic

#0B1D36 #163868 #20539B #2A6ECE #598FDD

Accessibility & contrast

On white

7.58

#20539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#20539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20539B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20539B	#FFFFFF	#000000	##FFFFFF
##20539B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5A9E

Deuteranopia (green-blind)

#104F9A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #20539b;
/* rgb */ color: rgb(32, 83, 155);
/* oklch */ color: oklch(44.9% 0.129 257.8);

Tailwind

colors: {
  custom: {
    50: '#6f82b9',
    500: '#20539b',
    950: '#000000',
  },
}

SCSS

$custom: #20539b;
$custom-light: #6f82b9;
$custom-dark: #000000;

JSON

{
  "hex": "#20539b",
  "rgb": {
    "r": 32,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 215.122,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44873,
    "c": 0.12946,
    "h": 257.8
  },
  "luminance": 0.0886
}

Semantic roles & 50–950 ramp

primary

#20539B

secondary

#C19456

accent

#A23FE9

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #20539B

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

Preview Lab → · Contrast checker → · Palette generator →