#203FAE#203FAE

#203FAE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.180 H 266.3°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#203FAE
RGB	rgb(32, 63, 174)
HSL	hsl(227, 69%, 40%)
HSV	hsv(227, 82%, 68%)
CMYK	cmyk(81.6%, 63.8%, 0%, 31.8%)
CIE-LAB	lab(31.62, 30.88, -62.14)
CIE-LCH	lch(31.62, 69.39, 296.42°)
OKLab	oklab(42.24% -0.0117 -0.1799)
OKLCH	oklch(42.24% 0.18 266.3)
XYZ	xyz(10.0105, 6.9169, 40.8437)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203FAE #AE8F20

analogous

#2086AE #203FAE #4820AE

triadic

#203FAE #AE203F #3FAE20

tetradic

#203FAE #AE2086 #AE8F20 #20AE48

square

#203FAE #AE2086 #AE8F20 #20AE48

split-complementary

#203FAE #AE4820 #86AE20

monochromatic

#0D1A47 #162C7A #203FAE #3256D9 #6681E3

Accessibility & contrast

On white

8.81

#203FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#203FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203FAE

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203FAE	#FFFFFF	#000000	##FFFFFF
##203FAE	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #203fae;
/* rgb */ color: rgb(32, 63, 174);
/* oklch */ color: oklch(42.2% 0.180 266.3);

Tailwind

colors: {
  custom: {
    50: '#7573c7',
    500: '#203fae',
    950: '#000000',
  },
}

SCSS

$custom: #203fae;
$custom-light: #7573c7;
$custom-dark: #000000;

JSON

{
  "hex": "#203fae",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 174
  },
  "hsl": {
    "h": 226.901,
    "s": 68.932,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42235,
    "c": 0.18026,
    "h": 266.3
  },
  "luminance": 0.06918
}

Semantic roles & 50–950 ramp

primary

#203FAE

secondary

#C8B262

accent

#C53CEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #203FAE

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

Preview Lab → · Contrast checker → · Palette generator →