#284177#284177

#284177 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.5% C 0.097 H 263.7°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#284177
RGB	rgb(40, 65, 119)
HSL	hsl(221, 50%, 31%)
HSV	hsv(221, 66%, 47%)
CMYK	cmyk(66.4%, 45.4%, 0%, 53.3%)
CIE-LAB	lab(28.28, 9.25, -33.83)
CIE-LCH	lch(28.28, 35.07, 285.29°)
OKLab	oklab(38.48% -0.0106 -0.0965)
OKLCH	oklch(38.48% 0.097 263.7)
XYZ	xyz(6.0940, 5.5631, 18.2018)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284177 #775E28

analogous

#286877 #284177 #362877

triadic

#284177 #772841 #417728

tetradic

#284177 #772868 #775E28 #287736

square

#284177 #772868 #775E28 #287736

split-complementary

#284177 #773628 #687728

monochromatic

#090F1B #192849 #284177 #375AA5 #5478C5

Accessibility & contrast

On white

9.94

#284177 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#284177 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284177

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284177	#FFFFFF	#000000	##FFFFFF
##284177	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284779

Deuteranopia (green-blind)

#1B3F76

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #284177;
/* rgb */ color: rgb(40, 65, 119);
/* oklch */ color: oklch(38.5% 0.097 263.7);

Tailwind

colors: {
  custom: {
    50: '#6b759e',
    500: '#284177',
    950: '#000000',
  },
}

SCSS

$custom: #284177;
$custom-light: #6b759e;
$custom-dark: #000000;

JSON

{
  "hex": "#284177",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 119
  },
  "hsl": {
    "h": 221.013,
    "s": 49.686,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38484,
    "c": 0.09709,
    "h": 263.7
  },
  "luminance": 0.05564
}

Semantic roles & 50–950 ramp

primary

#284177

secondary

#A98D52

accent

#AD4FD9

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284177

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

Preview Lab → · Contrast checker → · Palette generator →