#283290#283290

#283290 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.154 H 271.9°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#283290
RGB	rgb(40, 50, 144)
HSL	hsl(234, 57%, 36%)
HSV	hsv(234, 72%, 56%)
CMYK	cmyk(72.2%, 65.3%, 0%, 43.5%)
CIE-LAB	lab(26.00, 29.04, -53.13)
CIE-LCH	lch(26.00, 60.55, 298.66°)
OKLab	oklab(37.37% 0.005 -0.1534)
OKLCH	oklch(37.37% 0.154 271.9)
XYZ	xyz(7.0480, 4.7452, 26.9246)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283290 #908628

analogous

#286690 #283290 #522890

triadic

#283290 #902832 #329028

tetradic

#283290 #902866 #908628 #289052

square

#283290 #902866 #908628 #289052

split-complementary

#283290 #905228 #669028

monochromatic

#0D1130 #1B2160 #283290 #3543C0 #606BD3

Accessibility & contrast

On white

10.77

#283290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#283290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283290

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283290	#FFFFFF	#000000	##FFFFFF
##283290	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004293

Deuteranopia (green-blind)

#00398E

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #283290;
/* rgb */ color: rgb(40, 50, 144);
/* oklch */ color: oklch(37.4% 0.154 271.9);

Tailwind

colors: {
  custom: {
    50: '#716ab1',
    500: '#283290',
    950: '#000000',
  },
}

SCSS

$custom: #283290;
$custom-light: #716ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#283290",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 144
  },
  "hsl": {
    "h": 234.231,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37369,
    "c": 0.15352,
    "h": 271.9
  },
  "luminance": 0.04746
}

Semantic roles & 50–950 ramp

primary

#283290

secondary

#B8AF5C

accent

#D148E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283290

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

Preview Lab → · Contrast checker → · Palette generator →