#203D9E#203D9E

#203D9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.161 H 266.3°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#203D9E
RGB	rgb(32, 61, 158)
HSL	hsl(226, 66%, 37%)
HSV	hsv(226, 80%, 62%)
CMYK	cmyk(79.7%, 61.4%, 0%, 38%)
CIE-LAB	lab(29.69, 26.06, -55.66)
CIE-LCH	lch(29.69, 61.46, 295.09°)
OKLab	oklab(40.38% -0.0105 -0.1609)
OKLCH	oklch(40.38% 0.161 266.3)
XYZ	xyz(8.4338, 6.1122, 33.0764)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D9E #9E8120

analogous

#207C9E #203D9E #42209E

triadic

#203D9E #9E203D #3D9E20

tetradic

#203D9E #9E207C #9E8120 #209E42

square

#203D9E #9E207C #9E8120 #209E42

split-complementary

#203D9E #9E4220 #7C9E20

monochromatic

#0B1638 #16296B #203D9E #2A51D1 #5B79DE

Accessibility & contrast

On white

9.45

#203D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#203D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D9E

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D9E	#FFFFFF	#000000	##FFFFFF
##203D9E	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #203d9e;
/* rgb */ color: rgb(32, 61, 158);
/* oklch */ color: oklch(40.4% 0.161 266.3);

Tailwind

colors: {
  custom: {
    50: '#7172bb',
    500: '#203d9e',
    950: '#000000',
  },
}

SCSS

$custom: #203d9e;
$custom-light: #7172bb;
$custom-dark: #000000;

JSON

{
  "hex": "#203d9e",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 158
  },
  "hsl": {
    "h": 226.19,
    "s": 66.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40376,
    "c": 0.16127,
    "h": 266.3
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#203D9E

secondary

#C2A958

accent

#C23FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203D9E

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

Preview Lab → · Contrast checker → · Palette generator →