#284590#284590

#284590 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.2% C 0.129 H 265.2°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#284590
RGB	rgb(40, 69, 144)
HSL	hsl(223, 57%, 36%)
HSV	hsv(223, 72%, 56%)
CMYK	cmyk(72.2%, 52.1%, 0%, 43.5%)
CIE-LAB	lab(31.16, 16.17, -44.73)
CIE-LCH	lch(31.16, 47.56, 289.87°)
OKLab	oklab(41.23% -0.0107 -0.1285)
OKLCH	oklch(41.23% 0.129 265.2)
XYZ	xyz(8.0355, 6.7201, 27.2538)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284590 #907328

analogous

#287990 #284590 #3F2890

triadic

#284590 #902845 #459028

tetradic

#284590 #902879 #907328 #28903F

square

#284590 #902879 #907328 #28903F

split-complementary

#284590 #903F28 #799028

monochromatic

#0D1730 #1B2E60 #284590 #355CC0 #6080D3

Accessibility & contrast

On white

8.96

#284590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#284590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284590

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284590	#FFFFFF	#000000	##FFFFFF
##284590	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174E93

Deuteranopia (green-blind)

#00458E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #284590;
/* rgb */ color: rgb(40, 69, 144);
/* oklch */ color: oklch(41.2% 0.129 265.2);

Tailwind

colors: {
  custom: {
    50: '#7078b1',
    500: '#284590',
    950: '#000000',
  },
}

SCSS

$custom: #284590;
$custom-light: #7078b1;
$custom-dark: #000000;

JSON

{
  "hex": "#284590",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 144
  },
  "hsl": {
    "h": 223.269,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4123,
    "c": 0.12896,
    "h": 265.2
  },
  "luminance": 0.06721
}

Semantic roles & 50–950 ramp

primary

#284590

secondary

#B89E5C

accent

#B548E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #284590

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

Preview Lab → · Contrast checker → · Palette generator →