#203B9C#203B9C

#203B9C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.161 H 266.7°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#203B9C
RGB	rgb(32, 59, 156)
HSL	hsl(227, 66%, 37%)
HSV	hsv(227, 79%, 61%)
CMYK	cmyk(79.5%, 62.2%, 0%, 38.8%)
CIE-LAB	lab(28.99, 26.63, -55.60)
CIE-LCH	lch(28.99, 61.65, 295.60°)
OKLab	oklab(39.8% -0.0092 -0.1608)
OKLCH	oklch(39.8% 0.161 266.7)
XYZ	xyz(8.1583, 5.8344, 32.1422)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B9C #9C8120

analogous

#20799C #203B9C #43209C

triadic

#203B9C #9C203B #3B9C20

tetradic

#203B9C #9C2079 #9C8120 #209C43

square

#203B9C #9C2079 #9C8120 #209C43

split-complementary

#203B9C #9C4320 #799C20

monochromatic

#0B1536 #162869 #203B9C #2A4ECF #5976DD

Accessibility & contrast

On white

9.69

#203B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#203B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B9C

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B9C	#FFFFFF	#000000	##FFFFFF
##203B9C	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203b9c;
/* rgb */ color: rgb(32, 59, 156);
/* oklch */ color: oklch(39.8% 0.161 266.7);

Tailwind

colors: {
  custom: {
    50: '#7170ba',
    500: '#203b9c',
    950: '#000000',
  },
}

SCSS

$custom: #203b9c;
$custom-light: #7170ba;
$custom-dark: #000000;

JSON

{
  "hex": "#203b9c",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 156
  },
  "hsl": {
    "h": 226.935,
    "s": 65.957,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39799,
    "c": 0.16103,
    "h": 266.7
  },
  "luminance": 0.05835
}

Semantic roles & 50–950 ramp

primary

#203B9C

secondary

#C1AA57

accent

#C43FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203B9C

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

Preview Lab → · Contrast checker → · Palette generator →