#203F9C#203F9C

#203F9C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.156 H 265.6°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#203F9C
RGB	rgb(32, 63, 156)
HSL	hsl(225, 66%, 37%)
HSV	hsv(225, 79%, 61%)
CMYK	cmyk(79.5%, 59.6%, 0%, 38.8%)
CIE-LAB	lab(30.06, 23.92, -53.85)
CIE-LCH	lch(30.06, 58.92, 293.95°)
OKLab	oklab(40.6% -0.0119 -0.1556)
OKLCH	oklch(40.6% 0.156 265.6)
XYZ	xyz(8.3718, 6.2614, 32.2134)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F9C #9C7D20

analogous

#207D9C #203F9C #3F209C

triadic

#203F9C #9C203F #3F9C20

tetradic

#203F9C #9C207D #9C7D20 #209C3F

square

#203F9C #9C207D #9C7D20 #209C3F

split-complementary

#203F9C #9C3F20 #7D9C20

monochromatic

#0B1636 #162A69 #203F9C #2A54CF #597ADD

Accessibility & contrast

On white

9.32

#203F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#203F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F9C

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F9C	#FFFFFF	#000000	##FFFFFF
##203F9C	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #203f9c;
/* rgb */ color: rgb(32, 63, 156);
/* oklch */ color: oklch(40.6% 0.156 265.6);

Tailwind

colors: {
  custom: {
    50: '#7073ba',
    500: '#203f9c',
    950: '#000000',
  },
}

SCSS

$custom: #203f9c;
$custom-light: #7073ba;
$custom-dark: #000000;

JSON

{
  "hex": "#203f9c",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 225,
    "s": 65.957,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40598,
    "c": 0.15602,
    "h": 265.6
  },
  "luminance": 0.06262
}

Semantic roles & 50–950 ramp

primary

#203F9C

secondary

#C1A657

accent

#BE3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #203F9C

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

Preview Lab → · Contrast checker → · Palette generator →