#283375#283375

#283375 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.2% C 0.113 H 272.1°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#283375
RGB	rgb(40, 51, 117)
HSL	hsl(231, 49%, 31%)
HSV	hsv(231, 66%, 46%)
CMYK	cmyk(65.8%, 56.4%, 0%, 54.1%)
CIE-LAB	lab(24.01, 18.20, -39.43)
CIE-LCH	lch(24.01, 43.43, 294.77°)
OKLab	oklab(35.19% 0.0042 -0.1132)
OKLCH	oklch(35.19% 0.113 272.1)
XYZ	xyz(5.2687, 4.1027, 17.3404)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283375 #756A28

analogous

#285975 #283375 #432875

triadic

#283375 #752833 #337528

tetradic

#283375 #752859 #756A28 #287543

square

#283375 #752859 #756A28 #287543

split-complementary

#283375 #754328 #597528

monochromatic

#090B1A #181F47 #283375 #3847A3 #5363C4

Accessibility & contrast

On white

11.53

#283375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#283375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283375

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283375	#FFFFFF	#000000	##FFFFFF
##283375	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053D77

Deuteranopia (green-blind)

#003674

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283375;
/* rgb */ color: rgb(40, 51, 117);
/* oklch */ color: oklch(35.2% 0.113 272.1);

Tailwind

colors: {
  custom: {
    50: '#6b6a9d',
    500: '#283375',
    950: '#000000',
  },
}

SCSS

$custom: #283375;
$custom-light: #6b6a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#283375",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 117
  },
  "hsl": {
    "h": 231.429,
    "s": 49.045,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35188,
    "c": 0.11327,
    "h": 272.1
  },
  "luminance": 0.04103
}

Semantic roles & 50–950 ramp

primary

#283375

secondary

#A79B52

accent

#C54FD9

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283375

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

Preview Lab → · Contrast checker → · Palette generator →