#203C9F#203C9F

#203C9F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.164 H 266.5°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#203C9F
RGB	rgb(32, 60, 159)
HSL	hsl(227, 66%, 37%)
HSV	hsv(227, 80%, 62%)
CMYK	cmyk(79.9%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(29.52, 27.12, -56.56)
CIE-LCH	lch(29.52, 62.73, 295.62°)
OKLab	oklab(40.27% -0.0099 -0.1636)
OKLCH	oklch(40.27% 0.164 266.5)
XYZ	xyz(8.4673, 6.0410, 33.5139)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203C9F #9F8320

analogous

#207B9F #203C9F #44209F

triadic

#203C9F #9F203C #3C9F20

tetradic

#203C9F #9F207B #9F8320 #209F44

square

#203C9F #9F207B #9F8320 #209F44

split-complementary

#203C9F #9F4420 #7B9F20

monochromatic

#0B1639 #16296C #203C9F #2A4FD2 #5B78DE

Accessibility & contrast

On white

9.51

#203C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#203C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203C9F

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203C9F	#FFFFFF	#000000	##FFFFFF
##203C9F	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #203c9f;
/* rgb */ color: rgb(32, 60, 159);
/* oklch */ color: oklch(40.3% 0.164 266.5);

Tailwind

colors: {
  custom: {
    50: '#7171bc',
    500: '#203c9f',
    950: '#000000',
  },
}

SCSS

$custom: #203c9f;
$custom-light: #7171bc;
$custom-dark: #000000;

JSON

{
  "hex": "#203c9f",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 226.772,
    "s": 66.492,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4027,
    "c": 0.16387,
    "h": 266.5
  },
  "luminance": 0.06042
}

Semantic roles & 50–950 ramp

primary

#203C9F

secondary

#C2AB59

accent

#C43EE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203C9F

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

Preview Lab → · Contrast checker → · Palette generator →