#283090#283090

#283090 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.156 H 272.4°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#283090
RGB	rgb(40, 48, 144)
HSL	hsl(235, 57%, 36%)
HSV	hsv(235, 72%, 56%)
CMYK	cmyk(72.2%, 66.7%, 0%, 43.5%)
CIE-LAB	lab(25.50, 30.36, -53.94)
CIE-LCH	lch(25.50, 61.90, 299.37°)
OKLab	oklab(37% 0.0065 -0.1558)
OKLCH	oklch(37% 0.156 272.4)
XYZ	xyz(6.9644, 4.5780, 26.8968)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283090 #908828

analogous

#286490 #283090 #542890

triadic

#283090 #902830 #309028

tetradic

#283090 #902864 #908828 #289054

square

#283090 #902864 #908828 #289054

split-complementary

#283090 #905428 #649028

monochromatic

#0D1030 #1B2060 #283090 #3540C0 #6069D3

Accessibility & contrast

On white

10.96

#283090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#283090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283090

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283090	#FFFFFF	#000000	##FFFFFF
##283090	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #283090;
/* rgb */ color: rgb(40, 48, 144);
/* oklch */ color: oklch(37.0% 0.156 272.4);

Tailwind

colors: {
  custom: {
    50: '#7168b1',
    500: '#283090',
    950: '#000000',
  },
}

SCSS

$custom: #283090;
$custom-light: #7168b1;
$custom-dark: #000000;

JSON

{
  "hex": "#283090",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 235.385,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37003,
    "c": 0.15598,
    "h": 272.4
  },
  "luminance": 0.04579
}

Semantic roles & 50–950 ramp

primary

#283090

secondary

#B8B15C

accent

#D448E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283090

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

Preview Lab → · Contrast checker → · Palette generator →