#203F9A#203F9A

#203F9A is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.153 H 265.5°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#203F9A
RGB	rgb(32, 63, 154)
HSL	hsl(225, 66%, 36%)
HSV	hsv(225, 79%, 60%)
CMYK	cmyk(79.2%, 59.1%, 0%, 39.6%)
CIE-LAB	lab(29.90, 23.13, -52.90)
CIE-LCH	lch(29.90, 57.74, 293.62°)
OKLab	oklab(40.42% -0.0119 -0.1528)
OKLCH	oklch(40.42% 0.153 265.5)
XYZ	xyz(8.2038, 6.1942, 31.3288)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F9A #9A7B20

analogous

#207C9A #203F9A #3E209A

triadic

#203F9A #9A203F #3F9A20

tetradic

#203F9A #9A207C #9A7B20 #209A3E

square

#203F9A #9A207C #9A7B20 #209A3E

split-complementary

#203F9A #9A3E20 #7C9A20

monochromatic

#0B1635 #152A67 #203F9A #2B54CD #587ADC

Accessibility & contrast

On white

9.38

#203F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#203F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F9A

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F9A	#FFFFFF	#000000	##FFFFFF
##203F9A	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #203f9a;
/* rgb */ color: rgb(32, 63, 154);
/* oklch */ color: oklch(40.4% 0.153 265.5);

Tailwind

colors: {
  custom: {
    50: '#7073b9',
    500: '#203f9a',
    950: '#000000',
  },
}

SCSS

$custom: #203f9a;
$custom-light: #7073b9;
$custom-dark: #000000;

JSON

{
  "hex": "#203f9a",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 154
  },
  "hsl": {
    "h": 224.754,
    "s": 65.591,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40423,
    "c": 0.15326,
    "h": 265.5
  },
  "luminance": 0.06195
}

Semantic roles & 50–950 ramp

primary

#203F9A

secondary

#C0A556

accent

#BE3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #203F9A

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

Preview Lab → · Contrast checker → · Palette generator →