#284477#284477

#284477 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.093 H 261.4°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#284477
RGB	rgb(40, 68, 119)
HSL	hsl(219, 50%, 31%)
HSV	hsv(219, 66%, 47%)
CMYK	cmyk(66.4%, 42.9%, 0%, 53.3%)
CIE-LAB	lab(29.20, 7.20, -32.36)
CIE-LCH	lch(29.20, 33.15, 282.55°)
OKLab	oklab(39.19% -0.0139 -0.0922)
OKLCH	oklch(39.19% 0.093 261.4)
XYZ	xyz(6.2708, 5.9167, 18.2608)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284477 #775B28

analogous

#286B77 #284477 #332877

triadic

#284477 #772844 #447728

tetradic

#284477 #77286B #775B28 #287733

square

#284477 #77286B #775B28 #287733

split-complementary

#284477 #773328 #6B7728

monochromatic

#09101B #192A49 #284477 #375EA5 #547CC5

Accessibility & contrast

On white

9.62

#284477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#284477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284477

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284477	#FFFFFF	#000000	##FFFFFF
##284477	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4979

Deuteranopia (green-blind)

#214176

Tritanopia (blue-blind)

#005057

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284477;
/* rgb */ color: rgb(40, 68, 119);
/* oklch */ color: oklch(39.2% 0.093 261.4);

Tailwind

colors: {
  custom: {
    50: '#6b779e',
    500: '#284477',
    950: '#000000',
  },
}

SCSS

$custom: #284477;
$custom-light: #6b779e;
$custom-dark: #000000;

JSON

{
  "hex": "#284477",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 119
  },
  "hsl": {
    "h": 218.734,
    "s": 49.686,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39193,
    "c": 0.0932,
    "h": 261.4
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#284477

secondary

#A98A52

accent

#A84FD9

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #284477

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

Preview Lab → · Contrast checker → · Palette generator →