#203999#203999

#203999 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.159 H 267.1°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#203999
RGB	rgb(32, 57, 153)
HSL	hsl(228, 65%, 36%)
HSV	hsv(228, 79%, 60%)
CMYK	cmyk(79.1%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.20, 26.82, -55.06)
CIE-LCH	lch(28.20, 61.25, 295.97°)
OKLab	oklab(39.13% -0.008 -0.1592)
OKLCH	oklch(39.13% 0.159 267.1)
XYZ	xyz(7.8066, 5.5324, 30.7872)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203999 #998020

analogous

#207699 #203999 #442099

triadic

#203999 #992039 #399920

tetradic

#203999 #992076 #998020 #209944

square

#203999 #992076 #998020 #209944

split-complementary

#203999 #994420 #769920

monochromatic

#0B1334 #152666 #203999 #2B4CCC #5773DC

Accessibility & contrast

On white

9.97

#203999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#203999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203999

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203999	#FFFFFF	#000000	##FFFFFF
##203999	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #203999;
/* rgb */ color: rgb(32, 57, 153);
/* oklch */ color: oklch(39.1% 0.159 267.1);

Tailwind

colors: {
  custom: {
    50: '#706fb8',
    500: '#203999',
    950: '#000000',
  },
}

SCSS

$custom: #203999;
$custom-light: #706fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#203999",
  "rgb": {
    "r": 32,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 227.603,
    "s": 65.405,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39132,
    "c": 0.15942,
    "h": 267.1
  },
  "luminance": 0.05533
}

Semantic roles & 50–950 ramp

primary

#203999

secondary

#C0AA55

accent

#C53FE8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #203999

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

Preview Lab → · Contrast checker → · Palette generator →