#284DC9#284DC9

#284DC9 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.197 H 266.0°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#284DC9
RGB	rgb(40, 77, 201)
HSL	hsl(226, 67%, 47%)
HSV	hsv(226, 80%, 79%)
CMYK	cmyk(80.1%, 61.7%, 0%, 21.2%)
CIE-LAB	lab(37.80, 32.60, -67.90)
CIE-LCH	lch(37.80, 75.32, 295.65°)
OKLab	oklab(47.62% -0.0136 -0.1965)
OKLCH	oklch(47.62% 0.197 266)
XYZ	xyz(14.0679, 9.9743, 56.4308)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284DC9 #C9A428

analogous

#289EC9 #284DC9 #5328C9

triadic

#284DC9 #C9284D #4DC928

tetradic

#284DC9 #C9289E #C9A428 #28C953

square

#284DC9 #C9289E #C9A428 #28C953

split-complementary

#284DC9 #C95328 #9EC928

monochromatic

#142663 #1E3996 #284DC9 #5272DD #859BE7

Accessibility & contrast

On white

7.01

#284DC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#284DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #284DC9

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284DC9	#FFFFFF	#000000	##FFFFFF
##284DC9	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CD

Deuteranopia (green-blind)

#0052C7

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #284dc9;
/* rgb */ color: rgb(40, 77, 201);
/* oklch */ color: oklch(47.6% 0.197 266.0);

Tailwind

colors: {
  custom: {
    50: '#7d7eda',
    500: '#284dc9',
    950: '#000000',
  },
}

SCSS

$custom: #284dc9;
$custom-light: #7d7eda;
$custom-dark: #000000;

JSON

{
  "hex": "#284dc9",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 201
  },
  "hsl": {
    "h": 226.211,
    "s": 66.805,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47615,
    "c": 0.19692,
    "h": 266
  },
  "luminance": 0.09976
}

Semantic roles & 50–950 ramp

primary

#284DC9

secondary

#D0BD7D

accent

#C23EEA

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #284DC9

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

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