#203C99#203C99

#203C99 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.156 H 266.3°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#203C99
RGB	rgb(32, 60, 153)
HSL	hsl(226, 65%, 36%)
HSV	hsv(226, 79%, 60%)
CMYK	cmyk(79.1%, 60.8%, 0%, 40%)
CIE-LAB	lab(29.00, 24.79, -53.76)
CIE-LCH	lch(29.00, 59.20, 294.75°)
OKLab	oklab(39.73% -0.0099 -0.1553)
OKLCH	oklch(39.73% 0.156 266.3)
XYZ	xyz(7.9593, 5.8378, 30.8381)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203C99 #997D20

analogous

#207999 #203C99 #412099

triadic

#203C99 #99203C #3C9920

tetradic

#203C99 #992079 #997D20 #209941

square

#203C99 #992079 #997D20 #209941

split-complementary

#203C99 #994120 #799920

monochromatic

#0B1434 #152866 #203C99 #2B50CC #5776DC

Accessibility & contrast

On white

9.69

#203C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#203C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203C99

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203C99	#FFFFFF	#000000	##FFFFFF
##203C99	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #203c99;
/* rgb */ color: rgb(32, 60, 153);
/* oklch */ color: oklch(39.7% 0.156 266.3);

Tailwind

colors: {
  custom: {
    50: '#7071b8',
    500: '#203c99',
    950: '#000000',
  },
}

SCSS

$custom: #203c99;
$custom-light: #7071b8;
$custom-dark: #000000;

JSON

{
  "hex": "#203c99",
  "rgb": {
    "r": 32,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 226.116,
    "s": 65.405,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39726,
    "c": 0.15567,
    "h": 266.3
  },
  "luminance": 0.05839
}

Semantic roles & 50–950 ramp

primary

#203C99

secondary

#C0A755

accent

#C13FE8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #203C99

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

Preview Lab → · Contrast checker → · Palette generator →