#284AAC#284AAC

#284AAC is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.162 H 265.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#284AAC
RGB	rgb(40, 74, 172)
HSL	hsl(225, 62%, 42%)
HSV	hsv(225, 77%, 67%)
CMYK	cmyk(76.7%, 57%, 0%, 32.5%)
CIE-LAB	lab(34.65, 23.60, -55.98)
CIE-LCH	lch(34.65, 60.75, 292.86°)
OKLab	oklab(44.53% -0.0124 -0.1615)
OKLCH	oklch(44.53% 0.162 265.6)
XYZ	xyz(10.7676, 8.3260, 40.0613)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284AAC #AC8A28

analogous

#288CAC #284AAC #4828AC

triadic

#284AAC #AC284A #4AAC28

tetradic

#284AAC #AC288C #AC8A28 #28AC48

square

#284AAC #AC288C #AC8A28 #28AC48

split-complementary

#284AAC #AC4828 #8CAC28

monochromatic

#111F49 #1C357A #284AAC #3F65D2 #718DDE

Accessibility & contrast

On white

7.88

#284AAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#284AAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284AAC

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284AAC	#FFFFFF	#000000	##FFFFFF
##284AAC	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AF

Deuteranopia (green-blind)

#004CAA

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #284aac;
/* rgb */ color: rgb(40, 74, 172);
/* oklch */ color: oklch(44.5% 0.162 265.6);

Tailwind

colors: {
  custom: {
    50: '#767cc5',
    500: '#284aac',
    950: '#000000',
  },
}

SCSS

$custom: #284aac;
$custom-light: #767cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#284aac",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 172
  },
  "hsl": {
    "h": 224.545,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44533,
    "c": 0.162,
    "h": 265.6
  },
  "luminance": 0.08327
}

Semantic roles & 50–950 ramp

primary

#284AAC

secondary

#C5AE6B

accent

#BB42E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #284AAC

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

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