#203591#203591

#203591 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.153 H 268.0°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#203591
RGB	rgb(32, 53, 145)
HSL	hsl(229, 64%, 35%)
HSV	hsv(229, 78%, 57%)
CMYK	cmyk(77.9%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(26.44, 26.44, -53.04)
CIE-LCH	lch(26.44, 59.26, 296.49°)
OKLab	oklab(37.61% -0.0053 -0.1533)
OKLCH	oklch(37.61% 0.153 268)
XYZ	xyz(6.9778, 4.8968, 27.3600)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203591 #917C20

analogous

#206D91 #203591 #442091

triadic

#203591 #912035 #359120

tetradic

#203591 #91206D #917C20 #209144

square

#203591 #91206D #917C20 #209144

split-complementary

#203591 #914420 #6D9120

monochromatic

#0A102D #15235F #203591 #2B47C3 #526BD9

Accessibility & contrast

On white

10.61

#203591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#203591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203591

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203591	#FFFFFF	#000000	##FFFFFF
##203591	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#00398F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #203591;
/* rgb */ color: rgb(32, 53, 145);
/* oklch */ color: oklch(37.6% 0.153 268.0);

Tailwind

colors: {
  custom: {
    50: '#6e6cb2',
    500: '#203591',
    950: '#000000',
  },
}

SCSS

$custom: #203591;
$custom-light: #6e6cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#203591",
  "rgb": {
    "r": 32,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 228.85,
    "s": 63.842,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37608,
    "c": 0.15342,
    "h": 268
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#203591

secondary

#BCA851

accent

#C841E7

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #203591

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

Preview Lab → · Contrast checker → · Palette generator →