#284585#284585

#284585 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.4% C 0.113 H 263.8°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#284585
RGB	rgb(40, 69, 133)
HSL	hsl(221, 54%, 34%)
HSV	hsv(221, 70%, 52%)
CMYK	cmyk(69.9%, 48.1%, 0%, 47.8%)
CIE-LAB	lab(30.40, 11.90, -39.18)
CIE-LCH	lch(30.40, 40.95, 286.90°)
OKLab	oklab(40.41% -0.0122 -0.1122)
OKLCH	oklch(40.41% 0.113 263.8)
XYZ	xyz(7.2353, 6.4001, 23.0398)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284585 #856828

analogous

#287485 #284585 #3A2885

triadic

#284585 #852845 #458528

tetradic

#284585 #852874 #856828 #28853A

square

#284585 #852874 #856828 #28853A

split-complementary

#284585 #853A28 #748528

monochromatic

#0C1427 #1A2D56 #284585 #365DB4 #5A7ECD

Accessibility & contrast

On white

9.21

#284585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#284585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284585

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284585	#FFFFFF	#000000	##FFFFFF
##284585	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244C87

Deuteranopia (green-blind)

#114484

Tritanopia (blue-blind)

#00545E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284585;
/* rgb */ color: rgb(40, 69, 133);
/* oklch */ color: oklch(40.4% 0.113 263.8);

Tailwind

colors: {
  custom: {
    50: '#6d78a9',
    500: '#284585',
    950: '#000000',
  },
}

SCSS

$custom: #284585;
$custom-light: #6d78a9;
$custom-dark: #000000;

JSON

{
  "hex": "#284585",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 133
  },
  "hsl": {
    "h": 221.29,
    "s": 53.757,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40406,
    "c": 0.11285,
    "h": 263.8
  },
  "luminance": 0.06401
}

Semantic roles & 50–950 ramp

primary

#284585

secondary

#B39656

accent

#AF4BDD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #284585

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

Preview Lab → · Contrast checker → · Palette generator →