#283690#283690

#283690 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.148 H 270.8°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#283690
RGB	rgb(40, 54, 144)
HSL	hsl(232, 57%, 36%)
HSV	hsv(232, 72%, 56%)
CMYK	cmyk(72.2%, 62.5%, 0%, 43.5%)
CIE-LAB	lab(27.02, 26.37, -51.45)
CIE-LCH	lch(27.02, 57.81, 297.14°)
OKLab	oklab(38.13% 0.002 -0.1485)
OKLCH	oklch(38.13% 0.148 270.8)
XYZ	xyz(7.2266, 5.1023, 26.9842)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283690 #908228

analogous

#286A90 #283690 #4E2890

triadic

#283690 #902836 #369028

tetradic

#283690 #90286A #908228 #28904E

square

#283690 #90286A #908228 #28904E

split-complementary

#283690 #904E28 #6A9028

monochromatic

#0D1230 #1B2460 #283690 #3548C0 #606FD3

Accessibility & contrast

On white

10.39

#283690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#283690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283690

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283690	#FFFFFF	#000000	##FFFFFF
##283690	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004593

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #283690;
/* rgb */ color: rgb(40, 54, 144);
/* oklch */ color: oklch(38.1% 0.148 270.8);

Tailwind

colors: {
  custom: {
    50: '#716db1',
    500: '#283690',
    950: '#000000',
  },
}

SCSS

$custom: #283690;
$custom-light: #716db1;
$custom-dark: #000000;

JSON

{
  "hex": "#283690",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 144
  },
  "hsl": {
    "h": 231.923,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38126,
    "c": 0.14848,
    "h": 270.8
  },
  "luminance": 0.05103
}

Semantic roles & 50–950 ramp

primary

#283690

secondary

#B8AC5C

accent

#CB48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283690

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

Preview Lab → · Contrast checker → · Palette generator →