#20309B#20309B

#20309B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.173 H 269.1°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#20309B
RGB	rgb(32, 48, 155)
HSL	hsl(232, 66%, 37%)
HSV	hsv(232, 79%, 61%)
CMYK	cmyk(79.4%, 69%, 0%, 39.2%)
CIE-LAB	lab(26.12, 33.55, -59.70)
CIE-LCH	lch(26.12, 68.48, 299.34°)
OKLab	oklab(37.66% -0.0029 -0.1728)
OKLCH	oklch(37.66% 0.173 269.1)
XYZ	xyz(7.5670, 4.7867, 31.5291)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#20309B #9B8B20

analogous

#206E9B #20309B #4E209B

triadic

#20309B #9B2030 #309B20

tetradic

#20309B #9B206E #9B8B20 #209B4E

square

#20309B #9B206E #9B8B20 #209B4E

split-complementary

#20309B #9B4E20 #6E9B20

monochromatic

#0B1136 #162068 #20309B #2A40CE #596ADD

Accessibility & contrast

On white

10.73

#20309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#20309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #20309B

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##20309B	#FFFFFF	#000000	##FFFFFF
##20309B	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #20309b;
/* rgb */ color: rgb(32, 48, 155);
/* oklch */ color: oklch(37.7% 0.173 269.1);

Tailwind

colors: {
  custom: {
    50: '#7168ba',
    500: '#20309b',
    950: '#000000',
  },
}

SCSS

$custom: #20309b;
$custom-light: #7168ba;
$custom-dark: #000000;

JSON

{
  "hex": "#20309b",
  "rgb": {
    "r": 32,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 232.195,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3766,
    "c": 0.17287,
    "h": 269.1
  },
  "luminance": 0.04788
}

Semantic roles & 50–950 ramp

primary

#20309B

secondary

#C1B356

accent

#D33FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #20309B

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

Preview Lab → · Contrast checker → · Palette generator →