#284575#284575

#284575 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.3% C 0.089 H 260.0°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#284575
RGB	rgb(40, 69, 117)
HSL	hsl(217, 49%, 31%)
HSV	hsv(217, 66%, 46%)
CMYK	cmyk(65.8%, 41%, 0%, 54.1%)
CIE-LAB	lab(29.39, 5.77, -30.80)
CIE-LCH	lch(29.39, 31.34, 280.60°)
OKLab	oklab(39.3% -0.0155 -0.0876)
OKLCH	oklch(39.3% 0.089 260)
XYZ	xyz(6.2129, 5.9911, 17.6552)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284575 #755828

analogous

#286B75 #284575 #312875

triadic

#284575 #752845 #457528

tetradic

#284575 #75286B #755828 #287531

square

#284575 #75286B #755828 #287531

split-complementary

#284575 #753128 #6B7528

monochromatic

#090F1A #182A47 #284575 #3860A3 #537EC4

Accessibility & contrast

On white

9.55

#284575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#284575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284575

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284575	#FFFFFF	#000000	##FFFFFF
##284575	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304977

Deuteranopia (green-blind)

#254274

Tritanopia (blue-blind)

#005057

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284575;
/* rgb */ color: rgb(40, 69, 117);
/* oklch */ color: oklch(39.3% 0.089 260.0);

Tailwind

colors: {
  custom: {
    50: '#6a789d',
    500: '#284575',
    950: '#000000',
  },
}

SCSS

$custom: #284575;
$custom-light: #6a789d;
$custom-dark: #000000;

JSON

{
  "hex": "#284575",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 117
  },
  "hsl": {
    "h": 217.403,
    "s": 49.045,
    "l": 30.784
  },
  "oklch": {
    "l": 0.393,
    "c": 0.08894,
    "h": 260
  },
  "luminance": 0.05992
}

Semantic roles & 50–950 ramp

primary

#284575

secondary

#A78752

accent

#A54FD9

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284575

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

Preview Lab → · Contrast checker → · Palette generator →