#203DA5#203DA5

#203DA5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.171 H 266.5°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#203DA5
RGB	rgb(32, 61, 165)
HSL	hsl(227, 68%, 39%)
HSV	hsv(227, 81%, 65%)
CMYK	cmyk(80.6%, 63%, 0%, 35.3%)
CIE-LAB	lab(30.30, 28.76, -58.90)
CIE-LCH	lch(30.30, 65.55, 296.03°)
OKLab	oklab(41.02% -0.0105 -0.1704)
OKLCH	oklch(41.02% 0.171 266.5)
XYZ	xyz(9.0536, 6.3601, 36.3405)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203DA5 #A58820

analogous

#207FA5 #203DA5 #4520A5

triadic

#203DA5 #A5203D #3DA520

tetradic

#203DA5 #A5207F #A58820 #20A545

square

#203DA5 #A5207F #A58820 #20A545

split-complementary

#203DA5 #A54520 #7FA520

monochromatic

#0C173E #162A72 #203DA5 #2C51D6 #5F7BE0

Accessibility & contrast

On white

9.24

#203DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#203DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203DA5

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203DA5	#FFFFFF	#000000	##FFFFFF
##203DA5	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #203da5;
/* rgb */ color: rgb(32, 61, 165);
/* oklch */ color: oklch(41.0% 0.171 266.5);

Tailwind

colors: {
  custom: {
    50: '#7372c1',
    500: '#203da5',
    950: '#000000',
  },
}

SCSS

$custom: #203da5;
$custom-light: #7372c1;
$custom-dark: #000000;

JSON

{
  "hex": "#203da5",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 226.917,
    "s": 67.513,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41017,
    "c": 0.17073,
    "h": 266.5
  },
  "luminance": 0.06361
}

Semantic roles & 50–950 ramp

primary

#203DA5

secondary

#C5AE5C

accent

#C53DEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203DA5

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

Preview Lab → · Contrast checker → · Palette generator →