#203D99#203D99

#203D99 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.154 H 266.1°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#203D99
RGB	rgb(32, 61, 153)
HSL	hsl(226, 65%, 36%)
HSV	hsv(226, 79%, 60%)
CMYK	cmyk(79.1%, 60.1%, 0%, 40%)
CIE-LAB	lab(29.27, 24.11, -53.32)
CIE-LCH	lch(29.27, 58.51, 294.33°)
OKLab	oklab(39.93% -0.0106 -0.154)
OKLCH	oklch(39.93% 0.154 266.1)
XYZ	xyz(8.0122, 5.9436, 30.8558)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203D99 #997C20

analogous

#207A99 #203D99 #402099

triadic

#203D99 #99203D #3D9920

tetradic

#203D99 #99207A #997C20 #209940

square

#203D99 #99207A #997C20 #209940

split-complementary

#203D99 #994020 #7A9920

monochromatic

#0B1534 #152966 #203D99 #2B51CC #5777DC

Accessibility & contrast

On white

9.59

#203D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#203D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203D99

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203D99	#FFFFFF	#000000	##FFFFFF
##203D99	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #203d99;
/* rgb */ color: rgb(32, 61, 153);
/* oklch */ color: oklch(39.9% 0.154 266.1);

Tailwind

colors: {
  custom: {
    50: '#7072b8',
    500: '#203d99',
    950: '#000000',
  },
}

SCSS

$custom: #203d99;
$custom-light: #7072b8;
$custom-dark: #000000;

JSON

{
  "hex": "#203d99",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 153
  },
  "hsl": {
    "h": 225.62,
    "s": 65.405,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39927,
    "c": 0.1544,
    "h": 266.1
  },
  "luminance": 0.05944
}

Semantic roles & 50–950 ramp

primary

#203D99

secondary

#C0A655

accent

#C03FE8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #203D99

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

Preview Lab → · Contrast checker → · Palette generator →