#284D82#284D82

#284D82 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.1% C 0.098 H 257.6°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#284D82
RGB	rgb(40, 77, 130)
HSL	hsl(215, 53%, 33%)
HSV	hsv(215, 69%, 51%)
CMYK	cmyk(69.2%, 40.8%, 0%, 49%)
CIE-LAB	lab(32.63, 5.37, -33.75)
CIE-LCH	lch(32.63, 34.18, 279.04°)
OKLab	oklab(42.07% -0.0212 -0.0961)
OKLCH	oklch(42.07% 0.098 257.6)
XYZ	xyz(7.5568, 7.3698, 22.1390)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D82 #825D28

analogous

#287A82 #284D82 #302882

triadic

#284D82 #82284D #4D8228

tetradic

#284D82 #82287A #825D28 #288230

square

#284D82 #82287A #825D28 #288230

split-complementary

#284D82 #823028 #7A8228

monochromatic

#0B1624 #1A3153 #284D82 #3669B1 #5988CC

Accessibility & contrast

On white

8.49

#284D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#284D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D82

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D82	#FFFFFF	#000000	##FFFFFF
##284D82	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355184

Deuteranopia (green-blind)

#284981

Tritanopia (blue-blind)

#005961

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284d82;
/* rgb */ color: rgb(40, 77, 130);
/* oklch */ color: oklch(42.1% 0.098 257.6);

Tailwind

colors: {
  custom: {
    50: '#6d7ea6',
    500: '#284d82',
    950: '#000000',
  },
}

SCSS

$custom: #284d82;
$custom-light: #6d7ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#284d82",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 130
  },
  "hsl": {
    "h": 215.333,
    "s": 52.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42069,
    "c": 0.09841,
    "h": 257.6
  },
  "luminance": 0.07371
}

Semantic roles & 50–950 ramp

primary

#284D82

secondary

#B18B55

accent

#A14BDC

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #284D82

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

Preview Lab → · Contrast checker → · Palette generator →