#203B9A#203B9A

#203B9A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.158 H 266.6°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#203B9A
RGB	rgb(32, 59, 154)
HSL	hsl(227, 66%, 36%)
HSV	hsv(227, 79%, 60%)
CMYK	cmyk(79.2%, 61.7%, 0%, 39.6%)
CIE-LAB	lab(28.82, 25.86, -54.66)
CIE-LCH	lch(28.82, 60.47, 295.31°)
OKLab	oklab(39.62% -0.0093 -0.158)
OKLCH	oklch(39.62% 0.158 266.6)
XYZ	xyz(7.9903, 5.7672, 31.2576)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B9A #9A7F20

analogous

#20789A #203B9A #42209A

triadic

#203B9A #9A203B #3B9A20

tetradic

#203B9A #9A2078 #9A7F20 #209A42

square

#203B9A #9A2078 #9A7F20 #209A42

split-complementary

#203B9A #9A4220 #789A20

monochromatic

#0B1435 #152867 #203B9A #2B4ECD #5875DC

Accessibility & contrast

On white

9.75

#203B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#203B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B9A

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B9A	#FFFFFF	#000000	##FFFFFF
##203B9A	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203b9a;
/* rgb */ color: rgb(32, 59, 154);
/* oklch */ color: oklch(39.6% 0.158 266.6);

Tailwind

colors: {
  custom: {
    50: '#7070b9',
    500: '#203b9a',
    950: '#000000',
  },
}

SCSS

$custom: #203b9a;
$custom-light: #7070b9;
$custom-dark: #000000;

JSON

{
  "hex": "#203b9a",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 154
  },
  "hsl": {
    "h": 226.721,
    "s": 65.591,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39617,
    "c": 0.15829,
    "h": 266.6
  },
  "luminance": 0.05768
}

Semantic roles & 50–950 ramp

primary

#203B9A

secondary

#C0A956

accent

#C33FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #203B9A

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

Preview Lab → · Contrast checker → · Palette generator →