#203D8F#203D8F

#203D8F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.140 H 265.5°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#203D8F
RGB	rgb(32, 61, 143)
HSL	hsl(224, 63%, 34%)
HSV	hsv(224, 78%, 56%)
CMYK	cmyk(77.6%, 57.3%, 0%, 43.9%)
CIE-LAB	lab(28.45, 20.16, -48.52)
CIE-LCH	lch(28.45, 52.55, 292.56°)
OKLab	oklab(39.06% -0.0111 -0.14)
OKLCH	oklch(39.06% 0.14 265.5)
XYZ	xyz(7.2206, 5.6269, 26.6868)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D8F #8F7220

analogous

#20758F #203D8F #3A208F

triadic

#203D8F #8F203D #3D8F20

tetradic

#203D8F #8F2075 #8F7220 #208F3A

square

#203D8F #8F2075 #8F7220 #208F3A

split-complementary

#203D8F #8F3A20 #758F20

monochromatic

#0A122B #15285D #203D8F #2B52C1 #5175D8

Accessibility & contrast

On white

9.88

#203D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#203D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D8F

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D8F	#FFFFFF	#000000	##FFFFFF
##203D8F	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203d8f;
/* rgb */ color: rgb(32, 61, 143);
/* oklch */ color: oklch(39.1% 0.140 265.5);

Tailwind

colors: {
  custom: {
    50: '#6d72b0',
    500: '#203d8f',
    950: '#000000',
  },
}

SCSS

$custom: #203d8f;
$custom-light: #6d72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#203d8f",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 143
  },
  "hsl": {
    "h": 224.324,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39057,
    "c": 0.1404,
    "h": 265.5
  },
  "luminance": 0.05628
}

Semantic roles & 50–950 ramp

primary

#203D8F

secondary

#BB9F4F

accent

#BB41E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #203D8F

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

Preview Lab → · Contrast checker → · Palette generator →