#283575#283575

#283575 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.6% C 0.110 H 271.1°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#283575
RGB	rgb(40, 53, 117)
HSL	hsl(230, 49%, 31%)
HSV	hsv(230, 66%, 46%)
CMYK	cmyk(65.8%, 54.7%, 0%, 54.1%)
CIE-LAB	lab(24.58, 16.80, -38.50)
CIE-LCH	lch(24.58, 42.01, 293.57°)
OKLab	oklab(35.62% 0.0022 -0.1104)
OKLCH	oklch(35.62% 0.11 271.1)
XYZ	xyz(5.3580, 4.2812, 17.3702)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283575 #756828

analogous

#285B75 #283575 #412875

triadic

#283575 #752835 #357528

tetradic

#283575 #75285B #756828 #287541

square

#283575 #75285B #756828 #287541

split-complementary

#283575 #754128 #5B7528

monochromatic

#090C1A #182047 #283575 #384AA3 #5366C4

Accessibility & contrast

On white

11.31

#283575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#283575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283575

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283575	#FFFFFF	#000000	##FFFFFF
##283575	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3E77

Deuteranopia (green-blind)

#003774

Tritanopia (blue-blind)

#00444F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283575;
/* rgb */ color: rgb(40, 53, 117);
/* oklch */ color: oklch(35.6% 0.110 271.1);

Tailwind

colors: {
  custom: {
    50: '#6b6c9d',
    500: '#283575',
    950: '#000000',
  },
}

SCSS

$custom: #283575;
$custom-light: #6b6c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#283575",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 117
  },
  "hsl": {
    "h": 229.87,
    "s": 49.045,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35618,
    "c": 0.11046,
    "h": 271.1
  },
  "luminance": 0.04282
}

Semantic roles & 50–950 ramp

primary

#283575

secondary

#A79952

accent

#C14FD9

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283575

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

Preview Lab → · Contrast checker → · Palette generator →