#283396#283396

#283396 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.160 H 271.4°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#283396
RGB	rgb(40, 51, 150)
HSL	hsl(234, 58%, 37%)
HSV	hsv(234, 73%, 59%)
CMYK	cmyk(73.3%, 66%, 0%, 41.2%)
CIE-LAB	lab(26.79, 30.60, -55.52)
CIE-LCH	lch(26.79, 63.39, 298.86°)
OKLab	oklab(38.12% 0.0039 -0.1604)
OKLCH	oklch(38.12% 0.16 271.4)
XYZ	xyz(7.5621, 5.0200, 29.4187)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283396 #968B28

analogous

#286A96 #283396 #542896

triadic

#283396 #962833 #339628

tetradic

#283396 #96286A #968B28 #289654

square

#283396 #96286A #968B28 #289654

split-complementary

#283396 #965428 #6A9628

monochromatic

#0E1235 #1B2366 #283396 #3543C6 #636ED5

Accessibility & contrast

On white

10.48

#283396 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#283396 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283396

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283396	#FFFFFF	#000000	##FFFFFF
##283396	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004599

Deuteranopia (green-blind)

#003A94

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #283396;
/* rgb */ color: rgb(40, 51, 150);
/* oklch */ color: oklch(38.1% 0.160 271.4);

Tailwind

colors: {
  custom: {
    50: '#736ab6',
    500: '#283396',
    950: '#000000',
  },
}

SCSS

$custom: #283396;
$custom-light: #736ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#283396",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 150
  },
  "hsl": {
    "h": 234,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38119,
    "c": 0.16048,
    "h": 271.4
  },
  "luminance": 0.05021
}

Semantic roles & 50–950 ramp

primary

#283396

secondary

#BBB25F

accent

#D247E1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283396

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

Preview Lab → · Contrast checker → · Palette generator →