#284EAE#284EAE

#284EAE is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.5% C 0.160 H 264.5°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#284EAE
RGB	rgb(40, 78, 174)
HSL	hsl(223, 63%, 42%)
HSV	hsv(223, 77%, 68%)
CMYK	cmyk(77%, 55.2%, 0%, 31.8%)
CIE-LAB	lab(35.90, 21.70, -55.15)
CIE-LCH	lch(35.90, 59.27, 291.48°)
OKLab	oklab(45.52% -0.0152 -0.159)
OKLCH	oklch(45.52% 0.16 264.5)
XYZ	xyz(11.2367, 8.9546, 41.1724)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284EAE #AE8828

analogous

#2891AE #284EAE #4528AE

triadic

#284EAE #AE284E #4EAE28

tetradic

#284EAE #AE2891 #AE8828 #28AE45

square

#284EAE #AE2891 #AE8828 #28AE45

split-complementary

#284EAE #AE4528 #91AE28

monochromatic

#11214A #1D387C #284EAE #406AD3 #7291DF

Accessibility & contrast

On white

7.52

#284EAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#284EAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284EAE

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284EAE	#FFFFFF	#000000	##FFFFFF
##284EAE	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB1

Deuteranopia (green-blind)

#004FAC

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #284eae;
/* rgb */ color: rgb(40, 78, 174);
/* oklch */ color: oklch(45.5% 0.160 264.5);

Tailwind

colors: {
  custom: {
    50: '#767fc7',
    500: '#284eae',
    950: '#000000',
  },
}

SCSS

$custom: #284eae;
$custom-light: #767fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#284eae",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 174
  },
  "hsl": {
    "h": 222.985,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45518,
    "c": 0.15973,
    "h": 264.5
  },
  "luminance": 0.08956
}

Semantic roles & 50–950 ramp

primary

#284EAE

secondary

#C6AC6C

accent

#B742E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #284EAE

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

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