#203A9C#203A9C

#203A9C is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.162 H 267.0°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#203A9C
RGB	rgb(32, 58, 156)
HSL	hsl(227, 66%, 37%)
HSV	hsv(227, 79%, 61%)
CMYK	cmyk(79.5%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(28.73, 27.31, -56.03)
CIE-LCH	lch(28.73, 62.33, 295.98°)
OKLab	oklab(39.6% -0.0086 -0.162)
OKLCH	oklch(39.6% 0.162 267)
XYZ	xyz(8.1074, 5.7326, 32.1252)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A9C #9C8220

analogous

#20789C #203A9C #44209C

triadic

#203A9C #9C203A #3A9C20

tetradic

#203A9C #9C2078 #9C8220 #209C44

square

#203A9C #9C2078 #9C8220 #209C44

split-complementary

#203A9C #9C4420 #789C20

monochromatic

#0B1436 #162769 #203A9C #2A4DCF #5975DD

Accessibility & contrast

On white

9.78

#203A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#203A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A9C

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A9C	#FFFFFF	#000000	##FFFFFF
##203A9C	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203a9c;
/* rgb */ color: rgb(32, 58, 156);
/* oklch */ color: oklch(39.6% 0.162 267.0);

Tailwind

colors: {
  custom: {
    50: '#716fba',
    500: '#203a9c',
    950: '#000000',
  },
}

SCSS

$custom: #203a9c;
$custom-light: #716fba;
$custom-dark: #000000;

JSON

{
  "hex": "#203a9c",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 227.419,
    "s": 65.957,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39604,
    "c": 0.16227,
    "h": 267
  },
  "luminance": 0.05733
}

Semantic roles & 50–950 ramp

primary

#203A9C

secondary

#C1AB57

accent

#C53FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203A9C

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

Preview Lab → · Contrast checker → · Palette generator →