#284CAC#284CAC

#284CAC is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.9% C 0.159 H 265.0°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#284CAC
RGB	rgb(40, 76, 172)
HSL	hsl(224, 62%, 42%)
HSV	hsv(224, 77%, 67%)
CMYK	cmyk(76.7%, 55.8%, 0%, 32.5%)
CIE-LAB	lab(35.20, 22.27, -55.10)
CIE-LCH	lch(35.20, 59.43, 292.01°)
OKLab	oklab(44.94% -0.0139 -0.1589)
OKLCH	oklch(44.94% 0.159 265)
XYZ	xyz(10.9033, 8.5973, 40.1065)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284CAC #AC8828

analogous

#288EAC #284CAC #4628AC

triadic

#284CAC #AC284C #4CAC28

tetradic

#284CAC #AC288E #AC8828 #28AC46

square

#284CAC #AC288E #AC8828 #28AC46

split-complementary

#284CAC #AC4628 #8EAC28

monochromatic

#112049 #1C367A #284CAC #3F67D2 #718EDE

Accessibility & contrast

On white

7.72

#284CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#284CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284CAC

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284CAC	#FFFFFF	#000000	##FFFFFF
##284CAC	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #284cac;
/* rgb */ color: rgb(40, 76, 172);
/* oklch */ color: oklch(44.9% 0.159 265.0);

Tailwind

colors: {
  custom: {
    50: '#767dc5',
    500: '#284cac',
    950: '#000000',
  },
}

SCSS

$custom: #284cac;
$custom-light: #767dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#284cac",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 172
  },
  "hsl": {
    "h": 223.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44943,
    "c": 0.15949,
    "h": 265
  },
  "luminance": 0.08599
}

Semantic roles & 50–950 ramp

primary

#284CAC

secondary

#C5AC6B

accent

#B942E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #284CAC

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

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