#283073#283073

#283073 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.4% C 0.114 H 273.6°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#283073
RGB	rgb(40, 48, 115)
HSL	hsl(234, 48%, 30%)
HSV	hsv(234, 65%, 45%)
CMYK	cmyk(65.2%, 58.3%, 0%, 54.9%)
CIE-LAB	lab(23.01, 19.53, -39.77)
CIE-LCH	lch(23.01, 44.31, 296.15°)
OKLab	oklab(34.39% 0.0073 -0.1142)
OKLCH	oklch(34.39% 0.114 273.6)
XYZ	xyz(5.0255, 3.8024, 16.6854)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283073 #736B28

analogous

#285573 #283073 #452873

triadic

#283073 #732830 #307328

tetradic

#283073 #732855 #736B28 #287345

square

#283073 #732855 #736B28 #287345

split-complementary

#283073 #734528 #557328

monochromatic

#080A18 #181D46 #283073 #3843A0 #525EC3

Accessibility & contrast

On white

11.93

#283073 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#283073 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283073

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283073	#FFFFFF	#000000	##FFFFFF
##283073	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #283073;
/* rgb */ color: rgb(40, 48, 115);
/* oklch */ color: oklch(34.4% 0.114 273.6);

Tailwind

colors: {
  custom: {
    50: '#6b689c',
    500: '#283073',
    950: '#000000',
  },
}

SCSS

$custom: #283073;
$custom-light: #6b689c;
$custom-dark: #000000;

JSON

{
  "hex": "#283073",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 115
  },
  "hsl": {
    "h": 233.6,
    "s": 48.387,
    "l": 30.392
  },
  "oklch": {
    "l": 0.34389,
    "c": 0.11446,
    "h": 273.6
  },
  "luminance": 0.03803
}

Semantic roles & 50–950 ramp

primary

#283073

secondary

#A59C52

accent

#C950D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283073

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

Preview Lab → · Contrast checker → · Palette generator →