#203A8F#203A8F

#203A8F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.144 H 266.5°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#203A8F
RGB	rgb(32, 58, 143)
HSL	hsl(226, 63%, 34%)
HSV	hsv(226, 78%, 56%)
CMYK	cmyk(77.6%, 59.4%, 0%, 43.9%)
CIE-LAB	lab(27.62, 22.23, -49.88)
CIE-LCH	lch(27.62, 54.61, 294.02°)
OKLab	oklab(38.43% -0.0088 -0.144)
OKLCH	oklch(38.43% 0.144 266.5)
XYZ	xyz(7.0649, 5.3156, 26.6349)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203A8F #8F7520

analogous

#20728F #203A8F #3E208F

triadic

#203A8F #8F203A #3A8F20

tetradic

#203A8F #8F2072 #8F7520 #208F3E

square

#203A8F #8F2072 #8F7520 #208F3E

split-complementary

#203A8F #8F3E20 #728F20

monochromatic

#0A112B #15265D #203A8F #2B4EC1 #5171D8

Accessibility & contrast

On white

10.18

#203A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#203A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203A8F

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203A8F	#FFFFFF	#000000	##FFFFFF
##203A8F	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #203a8f;
/* rgb */ color: rgb(32, 58, 143);
/* oklch */ color: oklch(38.4% 0.144 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d6fb1',
    500: '#203a8f',
    950: '#000000',
  },
}

SCSS

$custom: #203a8f;
$custom-light: #6d6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#203a8f",
  "rgb": {
    "r": 32,
    "g": 58,
    "b": 143
  },
  "hsl": {
    "h": 225.946,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3843,
    "c": 0.14427,
    "h": 266.5
  },
  "luminance": 0.05316
}

Semantic roles & 50–950 ramp

primary

#203A8F

secondary

#BBA24F

accent

#C041E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #203A8F

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

Preview Lab → · Contrast checker → · Palette generator →