#284EBD#284EBD

#284EBD is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.180 H 265.4°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#284EBD
RGB	rgb(40, 78, 189)
HSL	hsl(225, 65%, 45%)
HSV	hsv(225, 79%, 74%)
CMYK	cmyk(78.8%, 58.7%, 0%, 25.9%)
CIE-LAB	lab(37.06, 27.44, -62.10)
CIE-LCH	lch(37.06, 67.89, 293.84°)
OKLab	oklab(46.76% -0.0144 -0.1794)
OKLCH	oklch(46.76% 0.18 265.4)
XYZ	xyz(12.7815, 9.5725, 49.3083)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284EBD #BD9728

analogous

#2899BD #284EBD #4C28BD

triadic

#284EBD #BD284E #4EBD28

tetradic

#284EBD #BD2899 #BD9728 #28BD4C

square

#284EBD #BD2899 #BD9728 #28BD4C

split-complementary

#284EBD #BD4C28 #99BD28

monochromatic

#132458 #1D398A #284EBD #4A6ED9 #7C96E3

Accessibility & contrast

On white

7.20

#284EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#284EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284EBD

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284EBD	#FFFFFF	#000000	##FFFFFF
##284EBD	1.00	7.20	2.91	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC1

Deuteranopia (green-blind)

#0051BB

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #284ebd;
/* rgb */ color: rgb(40, 78, 189);
/* oklch */ color: oklch(46.8% 0.180 265.4);

Tailwind

colors: {
  custom: {
    50: '#7a7fd2',
    500: '#284ebd',
    950: '#000000',
  },
}

SCSS

$custom: #284ebd;
$custom-light: #7a7fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#284ebd",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 189
  },
  "hsl": {
    "h": 224.698,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46762,
    "c": 0.18,
    "h": 265.4
  },
  "luminance": 0.09574
}

Semantic roles & 50–950 ramp

primary

#284EBD

secondary

#CBB675

accent

#BD40E8

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #284EBD

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

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