#284DFF#284DFF

#284DFF is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.7% C 0.263 H 266.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#284DFF
RGB	rgb(40, 77, 255)
HSL	hsl(230, 100%, 58%)
HSV	hsv(230, 84%, 100%)
CMYK	cmyk(84.3%, 69.8%, 0%, 0%)
CIE-LAB	lab(42.73, 51.86, -90.50)
CIE-LCH	lch(42.73, 104.30, 299.82°)
OKLab	oklab(52.72% -0.0161 -0.2624)
OKLCH	oklch(52.72% 0.263 266.5)
XYZ	xyz(21.5726, 12.9762, 95.9560)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284DFF #FFDA28

analogous

#28B9FF #284DFF #6E28FF

triadic

#284DFF #FF284D #4DFF28

tetradic

#284DFF #FF28B9 #FFDA28 #28FF6E

square

#284DFF #FF28B9 #FFDA28 #28FF6E

split-complementary

#284DFF #FF6E28 #B9FF28

monochromatic

#001EAD #0028EA #284DFF #6580FF #A2B2FF

Accessibility & contrast

On white

5.84

#284DFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#284DFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #284DFF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284DFF	#FFFFFF	#000000	##FFFFFF
##284DFF	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FFF

Deuteranopia (green-blind)

#005AFC

Tritanopia (blue-blind)

#0080A1

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #284dff;
/* rgb */ color: rgb(40, 77, 255);
/* oklch */ color: oklch(52.7% 0.263 266.5);

Tailwind

colors: {
  custom: {
    50: '#8a7fff',
    500: '#284dff',
    950: '#000000',
  },
}

SCSS

$custom: #284dff;
$custom-light: #8a7fff;
$custom-dark: #000000;

JSON

{
  "hex": "#284dff",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 255
  },
  "hsl": {
    "h": 229.674,
    "s": 100,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52715,
    "c": 0.26289,
    "h": 266.5
  },
  "luminance": 0.12979
}

Semantic roles & 50–950 ramp

primary

#284DFF

secondary

#EDDE96

accent

#DA29FF

background

#F9F7FF

surface

#F2EEFF

border

#CCC9D7

text

#0E0A18

muted

#7E7C86

Preview Lab

Preview with #284DFF

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

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