#284EBC#284EBC

#284EBC is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.7% C 0.179 H 265.4°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#284EBC
RGB	rgb(40, 78, 188)
HSL	hsl(225, 65%, 45%)
HSV	hsv(225, 79%, 74%)
CMYK	cmyk(78.7%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(36.98, 27.06, -61.64)
CIE-LCH	lch(36.98, 67.32, 293.70°)
OKLab	oklab(46.68% -0.0145 -0.1781)
OKLCH	oklch(46.68% 0.179 265.4)
XYZ	xyz(12.6734, 9.5293, 48.7386)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284EBC #BC9628

analogous

#2898BC #284EBC #4C28BC

triadic

#284EBC #BC284E #4EBC28

tetradic

#284EBC #BC2898 #BC9628 #28BC4C

square

#284EBC #BC2898 #BC9628 #28BC4C

split-complementary

#284EBC #BC4C28 #98BC28

monochromatic

#132457 #1D398A #284EBC #496ED8 #7B96E3

Accessibility & contrast

On white

7.23

#284EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#284EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284EBC

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284EBC	#FFFFFF	#000000	##FFFFFF
##284EBC	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #284ebc;
/* rgb */ color: rgb(40, 78, 188);
/* oklch */ color: oklch(46.7% 0.179 265.4);

Tailwind

colors: {
  custom: {
    50: '#7a7fd1',
    500: '#284ebc',
    950: '#000000',
  },
}

SCSS

$custom: #284ebc;
$custom-light: #7a7fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#284ebc",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 224.595,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46677,
    "c": 0.17867,
    "h": 265.4
  },
  "luminance": 0.09531
}

Semantic roles & 50–950 ramp

primary

#284EBC

secondary

#CBB575

accent

#BD40E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #284EBC

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

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