#203D9D#203D9D

#203D9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.160 H 266.2°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#203D9D
RGB	rgb(32, 61, 157)
HSL	hsl(226, 66%, 37%)
HSV	hsv(226, 80%, 62%)
CMYK	cmyk(79.6%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.61, 25.67, -55.20)
CIE-LCH	lch(29.61, 60.87, 294.94°)
OKLab	oklab(40.28% -0.0105 -0.1596)
OKLCH	oklch(40.28% 0.16 266.2)
XYZ	xyz(8.3481, 6.0779, 32.6249)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D9D #9D8020

analogous

#207C9D #203D9D #42209D

triadic

#203D9D #9D203D #3D9D20

tetradic

#203D9D #9D207C #9D8020 #209D42

square

#203D9D #9D207C #9D8020 #209D42

split-complementary

#203D9D #9D4220 #7C9D20

monochromatic

#0B1537 #16296A #203D9D #2A51D0 #5A78DD

Accessibility & contrast

On white

9.48

#203D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#203D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D9D

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D9D	#FFFFFF	#000000	##FFFFFF
##203D9D	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #203d9d;
/* rgb */ color: rgb(32, 61, 157);
/* oklch */ color: oklch(40.3% 0.160 266.2);

Tailwind

colors: {
  custom: {
    50: '#7172bb',
    500: '#203d9d',
    950: '#000000',
  },
}

SCSS

$custom: #203d9d;
$custom-light: #7172bb;
$custom-dark: #000000;

JSON

{
  "hex": "#203d9d",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 226.08,
    "s": 66.138,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40285,
    "c": 0.15991,
    "h": 266.2
  },
  "luminance": 0.06079
}

Semantic roles & 50–950 ramp

primary

#203D9D

secondary

#C1A957

accent

#C23FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203D9D

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

Preview Lab → · Contrast checker → · Palette generator →