#284584#284584

#284584 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.111 H 263.6°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#284584
RGB	rgb(40, 69, 132)
HSL	hsl(221, 53%, 34%)
HSV	hsv(221, 70%, 52%)
CMYK	cmyk(69.7%, 47.7%, 0%, 48.2%)
CIE-LAB	lab(30.33, 11.52, -38.67)
CIE-LCH	lch(30.33, 40.35, 286.59°)
OKLab	oklab(40.33% -0.0124 -0.1107)
OKLCH	oklch(40.33% 0.111 263.6)
XYZ	xyz(7.1666, 6.3726, 22.6777)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284584 #846728

analogous

#287384 #284584 #392884

triadic

#284584 #842845 #458428

tetradic

#284584 #842873 #846728 #288439

square

#284584 #842873 #846728 #288439

split-complementary

#284584 #843928 #738428

monochromatic

#0C1426 #1A2C55 #284584 #365EB3 #5A7ECD

Accessibility & contrast

On white

9.23

#284584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#284584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284584

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284584	#FFFFFF	#000000	##FFFFFF
##284584	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254C86

Deuteranopia (green-blind)

#134383

Tritanopia (blue-blind)

#00545E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #284584;
/* rgb */ color: rgb(40, 69, 132);
/* oklch */ color: oklch(40.3% 0.111 263.6);

Tailwind

colors: {
  custom: {
    50: '#6d78a8',
    500: '#284584',
    950: '#000000',
  },
}

SCSS

$custom: #284584;
$custom-light: #6d78a8;
$custom-dark: #000000;

JSON

{
  "hex": "#284584",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 132
  },
  "hsl": {
    "h": 221.087,
    "s": 53.488,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40333,
    "c": 0.11136,
    "h": 263.6
  },
  "luminance": 0.06373
}

Semantic roles & 50–950 ramp

primary

#284584

secondary

#B29556

accent

#AF4BDD

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #284584

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

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