#284173#284173

#284173 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.2% C 0.091 H 262.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#284173
RGB	rgb(40, 65, 115)
HSL	hsl(220, 48%, 30%)
HSV	hsv(220, 65%, 45%)
CMYK	cmyk(65.2%, 43.5%, 0%, 54.9%)
CIE-LAB	lab(28.03, 7.72, -31.70)
CIE-LCH	lch(28.03, 32.63, 283.69°)
OKLab	oklab(38.21% -0.0114 -0.0903)
OKLCH	oklch(38.21% 0.091 262.8)
XYZ	xyz(5.8588, 5.4690, 16.9632)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284173 #735A28

analogous

#286673 #284173 #342873

triadic

#284173 #732841 #417328

tetradic

#284173 #732866 #735A28 #287334

square

#284173 #732866 #735A28 #287334

split-complementary

#284173 #733428 #667328

monochromatic

#080E18 #182746 #284173 #385BA0 #5278C3

Accessibility & contrast

On white

10.03

#284173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#284173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284173

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284173	#FFFFFF	#000000	##FFFFFF
##284173	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4675

Deuteranopia (green-blind)

#203F72

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #284173;
/* rgb */ color: rgb(40, 65, 115);
/* oklch */ color: oklch(38.2% 0.091 262.8);

Tailwind

colors: {
  custom: {
    50: '#6a759b',
    500: '#284173',
    950: '#000000',
  },
}

SCSS

$custom: #284173;
$custom-light: #6a759b;
$custom-dark: #000000;

JSON

{
  "hex": "#284173",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 115
  },
  "hsl": {
    "h": 220,
    "s": 48.387,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38209,
    "c": 0.09099,
    "h": 262.8
  },
  "luminance": 0.0547
}

Semantic roles & 50–950 ramp

primary

#284173

secondary

#A58952

accent

#AB50D8

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284173

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

Preview Lab → · Contrast checker → · Palette generator →