#203A8D#203A8D

#203A8D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.141 H 266.4°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#203A8D
RGB	rgb(32, 58, 141)
HSL	hsl(226, 63%, 34%)
HSV	hsv(226, 77%, 55%)
CMYK	cmyk(77.3%, 58.9%, 0%, 44.7%)
CIE-LAB	lab(27.45, 21.44, -48.92)
CIE-LCH	lch(27.45, 53.41, 293.67°)
OKLab	oklab(38.26% -0.0089 -0.1412)
OKLCH	oklch(38.26% 0.141 266.4)
XYZ	xyz(6.9148, 5.2555, 25.8441)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A8D #8D7320

analogous

#20718D #203A8D #3D208D

triadic

#203A8D #8D203A #3A8D20

tetradic

#203A8D #8D2071 #8D7320 #208D3D

square

#203A8D #8D2071 #8D7320 #208D3D

split-complementary

#203A8D #8D3D20 #718D20

monochromatic

#091129 #15255B #203A8D #2B4FBF #5070D7

Accessibility & contrast

On white

10.24

#203A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#203A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A8D

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A8D	#FFFFFF	#000000	##FFFFFF
##203A8D	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #203a8d;
/* rgb */ color: rgb(32, 58, 141);
/* oklch */ color: oklch(38.3% 0.141 266.4);

Tailwind

colors: {
  custom: {
    50: '#6d6faf',
    500: '#203a8d',
    950: '#000000',
  },
}

SCSS

$custom: #203a8d;
$custom-light: #6d6faf;
$custom-dark: #000000;

JSON

{
  "hex": "#203a8d",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 141
  },
  "hsl": {
    "h": 225.688,
    "s": 63.006,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38255,
    "c": 0.14145,
    "h": 266.4
  },
  "luminance": 0.05256
}

Semantic roles & 50–950 ramp

primary

#203A8D

secondary

#BAA14E

accent

#BF42E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #203A8D

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

Preview Lab → · Contrast checker → · Palette generator →