#284CBD#284CBD

#284CBD is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.4% C 0.182 H 265.9°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#284CBD
RGB	rgb(40, 76, 189)
HSL	hsl(226, 65%, 45%)
HSV	hsv(226, 79%, 74%)
CMYK	cmyk(78.8%, 59.8%, 0%, 25.9%)
CIE-LAB	lab(36.54, 28.75, -62.95)
CIE-LCH	lch(36.54, 69.20, 294.55°)
OKLab	oklab(46.37% -0.0131 -0.1819)
OKLCH	oklch(46.37% 0.182 265.9)
XYZ	xyz(12.6416, 9.2927, 49.2616)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284CBD #BD9928

analogous

#2897BD #284CBD #4E28BD

triadic

#284CBD #BD284C #4CBD28

tetradic

#284CBD #BD2897 #BD9928 #28BD4E

square

#284CBD #BD2897 #BD9928 #28BD4E

split-complementary

#284CBD #BD4E28 #97BD28

monochromatic

#132358 #1D388A #284CBD #4A6CD9 #7C95E3

Accessibility & contrast

On white

7.35

#284CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#284CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284CBD

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284CBD	#FFFFFF	#000000	##FFFFFF
##284CBD	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC1

Deuteranopia (green-blind)

#004FBB

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #284cbd;
/* rgb */ color: rgb(40, 76, 189);
/* oklch */ color: oklch(46.4% 0.182 265.9);

Tailwind

colors: {
  custom: {
    50: '#7a7dd2',
    500: '#284cbd',
    950: '#000000',
  },
}

SCSS

$custom: #284cbd;
$custom-light: #7a7dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#284cbd",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 189
  },
  "hsl": {
    "h": 225.503,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46372,
    "c": 0.18242,
    "h": 265.9
  },
  "luminance": 0.09294
}

Semantic roles & 50–950 ramp

primary

#284CBD

secondary

#CBB775

accent

#BF40E8

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #284CBD

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

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