#203D9B#203D9B

#203D9B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.157 H 266.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#203D9B
RGB	rgb(32, 61, 155)
HSL	hsl(226, 66%, 37%)
HSV	hsv(226, 79%, 61%)
CMYK	cmyk(79.4%, 60.6%, 0%, 39.2%)
CIE-LAB	lab(29.44, 24.89, -54.26)
CIE-LCH	lch(29.44, 59.70, 294.64°)
OKLab	oklab(40.11% -0.0106 -0.1568)
OKLCH	oklch(40.11% 0.157 266.1)
XYZ	xyz(8.1787, 6.0102, 31.7330)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D9B #9B7E20

analogous

#207B9B #203D9B #41209B

triadic

#203D9B #9B203D #3D9B20

tetradic

#203D9B #9B207B #9B7E20 #209B41

square

#203D9B #9B207B #9B7E20 #209B41

split-complementary

#203D9B #9B4120 #7B9B20

monochromatic

#0B1536 #162968 #203D9B #2A51CE #5978DD

Accessibility & contrast

On white

9.54

#203D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#203D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D9B

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D9B	#FFFFFF	#000000	##FFFFFF
##203D9B	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9E

Deuteranopia (green-blind)

#004099

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #203d9b;
/* rgb */ color: rgb(32, 61, 155);
/* oklch */ color: oklch(40.1% 0.157 266.1);

Tailwind

colors: {
  custom: {
    50: '#7072b9',
    500: '#203d9b',
    950: '#000000',
  },
}

SCSS

$custom: #203d9b;
$custom-light: #7072b9;
$custom-dark: #000000;

JSON

{
  "hex": "#203d9b",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 155
  },
  "hsl": {
    "h": 225.854,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40106,
    "c": 0.15717,
    "h": 266.1
  },
  "luminance": 0.06011
}

Semantic roles & 50–950 ramp

primary

#203D9B

secondary

#C1A856

accent

#C13FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203D9B

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

Preview Lab → · Contrast checker → · Palette generator →