#284890#284890

#284890 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.9% C 0.125 H 263.8°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#284890
RGB	rgb(40, 72, 144)
HSL	hsl(222, 57%, 36%)
HSV	hsv(222, 72%, 56%)
CMYK	cmyk(72.2%, 50%, 0%, 43.5%)
CIE-LAB	lab(32.03, 14.13, -43.33)
CIE-LCH	lch(32.03, 45.57, 288.06°)
OKLab	oklab(41.89% -0.0135 -0.1243)
OKLCH	oklch(41.89% 0.125 263.8)
XYZ	xyz(8.2247, 7.0986, 27.3169)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284890 #907028

analogous

#287C90 #284890 #3C2890

triadic

#284890 #902848 #489028

tetradic

#284890 #90287C #907028 #28903C

square

#284890 #90287C #907028 #28903C

split-complementary

#284890 #903C28 #7C9028

monochromatic

#0D1830 #1B3060 #284890 #3560C0 #6083D3

Accessibility & contrast

On white

8.68

#284890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#284890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284890

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284890	#FFFFFF	#000000	##FFFFFF
##284890	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205093

Deuteranopia (green-blind)

#00478F

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284890;
/* rgb */ color: rgb(40, 72, 144);
/* oklch */ color: oklch(41.9% 0.125 263.8);

Tailwind

colors: {
  custom: {
    50: '#707ab1',
    500: '#284890',
    950: '#000000',
  },
}

SCSS

$custom: #284890;
$custom-light: #707ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#284890",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 144
  },
  "hsl": {
    "h": 221.538,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41893,
    "c": 0.12507,
    "h": 263.8
  },
  "luminance": 0.07099
}

Semantic roles & 50–950 ramp

primary

#284890

secondary

#B89C5C

accent

#B148E0

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284890

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

Preview Lab → · Contrast checker → · Palette generator →