#203A66#203A66

#203A66 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.2% C 0.083 H 260.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#203A66
RGB	rgb(32, 58, 102)
HSL	hsl(218, 52%, 26%)
HSV	hsv(218, 69%, 40%)
CMYK	cmyk(68.6%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.61, 5.90, -28.86)
CIE-LCH	lch(24.61, 29.45, 281.56°)
OKLab	oklab(35.19% -0.0141 -0.0822)
OKLCH	oklch(35.19% 0.083 260.3)
XYZ	xyz(4.5061, 4.2921, 13.1588)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A66 #664C20

analogous

#205D66 #203A66 #292066

triadic

#203A66 #66203A #3A6620

tetradic

#203A66 #66205D #664C20 #206629

square

#203A66 #66205D #664C20 #206629

split-complementary

#203A66 #662920 #5D6620

monochromatic

#070D17 #112037 #203A66 #2F5495 #3E6FC2

Accessibility & contrast

On white

11.30

#203A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#203A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A66

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A66	#FFFFFF	#000000	##FFFFFF
##203A66	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263E68

Deuteranopia (green-blind)

#1C3765

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #203a66;
/* rgb */ color: rgb(32, 58, 102);
/* oklch */ color: oklch(35.2% 0.083 260.3);

Tailwind

colors: {
  custom: {
    50: '#646f92',
    500: '#203a66',
    950: '#000000',
  },
}

SCSS

$custom: #203a66;
$custom-light: #646f92;
$custom-dark: #000000;

JSON

{
  "hex": "#203a66",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 217.714,
    "s": 52.239,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35191,
    "c": 0.08338,
    "h": 260.3
  },
  "luminance": 0.04292
}

Semantic roles & 50–950 ramp

primary

#203A66

secondary

#9A7C48

accent

#A64CDC

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #203A66

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

Preview Lab → · Contrast checker → · Palette generator →