#203B9F#203B9F

#203B9F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.165 H 266.8°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#203B9F
RGB	rgb(32, 59, 159)
HSL	hsl(227, 66%, 37%)
HSV	hsv(227, 80%, 62%)
CMYK	cmyk(79.9%, 62.9%, 0%, 37.6%)
CIE-LAB	lab(29.25, 27.79, -56.99)
CIE-LCH	lch(29.25, 63.41, 296.00°)
OKLab	oklab(40.08% -0.0092 -0.1648)
OKLCH	oklch(40.08% 0.165 266.8)
XYZ	xyz(8.4154, 5.9372, 33.4966)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203B9F #9F8420

analogous

#207B9F #203B9F #44209F

triadic

#203B9F #9F203B #3B9F20

tetradic

#203B9F #9F207B #9F8420 #209F44

square

#203B9F #9F207B #9F8420 #209F44

split-complementary

#203B9F #9F4420 #7B9F20

monochromatic

#0B1539 #16286C #203B9F #2A4ED2 #5B77DE

Accessibility & contrast

On white

9.60

#203B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#203B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203B9F

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203B9F	#FFFFFF	#000000	##FFFFFF
##203B9F	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #203b9f;
/* rgb */ color: rgb(32, 59, 159);
/* oklch */ color: oklch(40.1% 0.165 266.8);

Tailwind

colors: {
  custom: {
    50: '#7170bc',
    500: '#203b9f',
    950: '#000000',
  },
}

SCSS

$custom: #203b9f;
$custom-light: #7170bc;
$custom-dark: #000000;

JSON

{
  "hex": "#203b9f",
  "rgb": {
    "r": 32,
    "g": 59,
    "b": 159
  },
  "hsl": {
    "h": 227.244,
    "s": 66.492,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40076,
    "c": 0.1651,
    "h": 266.8
  },
  "luminance": 0.05938
}

Semantic roles & 50–950 ramp

primary

#203B9F

secondary

#C2AC59

accent

#C53EE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203B9F

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

Preview Lab → · Contrast checker → · Palette generator →