#5780EF#5780EF

#5780EF is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.6% C 0.173 H 266.3°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5780EF
RGB	rgb(87, 128, 239)
HSL	hsl(224, 83%, 64%)
HSV	hsv(224, 64%, 94%)
CMYK	cmyk(63.6%, 46.4%, 0%, 6.3%)
CIE-LAB	lab(55.78, 20.19, -60.24)
CIE-LCH	lch(55.78, 63.53, 288.53°)
OKLab	oklab(62.59% -0.0112 -0.1723)
OKLCH	oklch(62.59% 0.173 266.3)
XYZ	xyz(27.2243, 23.6941, 84.7833)
Luminance	0.2370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780EF #EFC657

analogous

#57CCEF #5780EF #7A57EF

triadic

#5780EF #EF5780 #80EF57

tetradic

#5780EF #EF57CC #EFC657 #57EF7A

square

#5780EF #EF57CC #EFC657 #57EF7A

split-complementary

#5780EF #EF7A57 #CCEF57

monochromatic

#123FBA #1F56EA #5780EF #8FAAF4 #C7D4FA

Accessibility & contrast

On white

3.66

#5780EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#5780EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780EF

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780EF	#FFFFFF	#000000	##000000
##5780EF	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488DF3

Deuteranopia (green-blind)

#2B7FED

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5780ef;
/* rgb */ color: rgb(87, 128, 239);
/* oklch */ color: oklch(62.6% 0.173 266.3);

Tailwind

colors: {
  custom: {
    50: '#94a4f5',
    500: '#5780ef',
    950: '#000000',
  },
}

SCSS

$custom: #5780ef;
$custom-light: #94a4f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5780ef",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 239
  },
  "hsl": {
    "h": 223.816,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.62592,
    "c": 0.17269,
    "h": 266.3
  },
  "luminance": 0.23697
}

Semantic roles & 50–950 ramp

primary

#5780EF

secondary

#ECDDB6

accent

#A506DF

background

#F9FAFF

surface

#F2F3FE

border

#CCCDD6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5780EF

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

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