#283448#283448

#283448 is a dark, muted blue. Relative luminance 0.034; OKLCH L 32.3% C 0.039 H 260.4°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#283448
RGB	rgb(40, 52, 72)
HSL	hsl(218, 29%, 22%)
HSV	hsv(218, 44%, 28%)
CMYK	cmyk(44.4%, 27.8%, 0%, 71.8%)
CIE-LAB	lab(21.49, 1.08, -13.97)
CIE-LCH	lch(21.49, 14.01, 274.42°)
OKLab	oklab(32.34% -0.0065 -0.0388)
OKLCH	oklch(32.34% 0.039 260.4)
XYZ	xyz(3.2724, 3.3748, 6.6086)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283448 #483C28

analogous

#284448 #283448 #2C2848

triadic

#283448 #482834 #344828

tetradic

#283448 #482844 #483C28 #28482C

square

#283448 #482844 #483C28 #28482C

split-complementary

#283448 #482C28 #444828

monochromatic

#0B0E14 #121821 #283448 #3E506F #546D97

Accessibility & contrast

On white

12.54

#283448 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#283448 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283448

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283448	#FFFFFF	#000000	##FFFFFF
##283448	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3549

Deuteranopia (green-blind)

#293248

Tritanopia (blue-blind)

#1D383B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #283448;
/* rgb */ color: rgb(40, 52, 72);
/* oklch */ color: oklch(32.3% 0.039 260.4);

Tailwind

colors: {
  custom: {
    50: '#636b7b',
    500: '#283448',
    950: '#000000',
  },
}

SCSS

$custom: #283448;
$custom-light: #636b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#283448",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 72
  },
  "hsl": {
    "h": 217.5,
    "s": 28.571,
    "l": 21.961
  },
  "oklch": {
    "l": 0.32341,
    "c": 0.03938,
    "h": 260.4
  },
  "luminance": 0.03375
}

Semantic roles & 50–950 ramp

primary

#283448

secondary

#7A6B52

accent

#A063C5

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#050609

muted

#7A7A7B

Preview Lab

Preview with #283448

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

Preview Lab → · Contrast checker → · Palette generator →