#284DBF#284DBF

#284DBF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.7% C 0.184 H 265.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#284DBF
RGB	rgb(40, 77, 191)
HSL	hsl(225, 65%, 45%)
HSV	hsv(225, 79%, 75%)
CMYK	cmyk(79.1%, 59.7%, 0%, 25.1%)
CIE-LAB	lab(36.96, 28.85, -63.43)
CIE-LCH	lch(36.96, 69.68, 294.46°)
OKLab	oklab(46.74% -0.0137 -0.1833)
OKLCH	oklch(46.74% 0.184 265.7)
XYZ	xyz(12.9296, 9.5190, 50.4360)
Luminance	0.0952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284DBF #BF9A28

analogous

#2898BF #284DBF #4E28BF

triadic

#284DBF #BF284D #4DBF28

tetradic

#284DBF #BF2898 #BF9A28 #28BF4E

square

#284DBF #BF2898 #BF9A28 #28BF4E

split-complementary

#284DBF #BF4E28 #98BF28

monochromatic

#13245A #1D398C #284DBF #4B6ED9 #7E97E4

Accessibility & contrast

On white

7.23

#284DBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#284DBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284DBF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284DBF	#FFFFFF	#000000	##FFFFFF
##284DBF	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #284dbf;
/* rgb */ color: rgb(40, 77, 191);
/* oklch */ color: oklch(46.7% 0.184 265.7);

Tailwind

colors: {
  custom: {
    50: '#7a7ed3',
    500: '#284dbf',
    950: '#000000',
  },
}

SCSS

$custom: #284dbf;
$custom-light: #7a7ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#284dbf",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 191
  },
  "hsl": {
    "h": 225.298,
    "s": 65.368,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46739,
    "c": 0.18385,
    "h": 265.7
  },
  "luminance": 0.0952
}

Semantic roles & 50–950 ramp

primary

#284DBF

secondary

#CCB777

accent

#BF3FE8

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #284DBF

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

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