#203CA5#203CA5

#203CA5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.172 H 266.7°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#203CA5
RGB	rgb(32, 60, 165)
HSL	hsl(227, 68%, 39%)
HSV	hsv(227, 81%, 65%)
CMYK	cmyk(80.6%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(30.05, 29.43, -59.32)
CIE-LCH	lch(30.05, 66.22, 296.39°)
OKLab	oklab(40.83% -0.0099 -0.1717)
OKLCH	oklch(40.83% 0.172 266.7)
XYZ	xyz(9.0007, 6.2544, 36.3229)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203CA5 #A58920

analogous

#207EA5 #203CA5 #4620A5

triadic

#203CA5 #A5203C #3CA520

tetradic

#203CA5 #A5207E #A58920 #20A546

square

#203CA5 #A5207E #A58920 #20A546

split-complementary

#203CA5 #A54620 #7EA520

monochromatic

#0C173E #162972 #203CA5 #2C50D6 #5F7AE0

Accessibility & contrast

On white

9.33

#203CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#203CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203CA5

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203CA5	#FFFFFF	#000000	##FFFFFF
##203CA5	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #203ca5;
/* rgb */ color: rgb(32, 60, 165);
/* oklch */ color: oklch(40.8% 0.172 266.7);

Tailwind

colors: {
  custom: {
    50: '#7371c1',
    500: '#203ca5',
    950: '#000000',
  },
}

SCSS

$custom: #203ca5;
$custom-light: #7371c1;
$custom-dark: #000000;

JSON

{
  "hex": "#203ca5",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 227.368,
    "s": 67.513,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40826,
    "c": 0.17195,
    "h": 266.7
  },
  "luminance": 0.06255
}

Semantic roles & 50–950 ramp

primary

#203CA5

secondary

#C5AF5C

accent

#C63DEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203CA5

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

Preview Lab → · Contrast checker → · Palette generator →