#5780EE#5780EE

#5780EE is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.5% C 0.171 H 266.2°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#5780EE
RGB	rgb(87, 128, 238)
HSL	hsl(224, 82%, 64%)
HSV	hsv(224, 63%, 93%)
CMYK	cmyk(63.4%, 46.2%, 0%, 6.7%)
CIE-LAB	lab(55.72, 19.85, -59.78)
CIE-LCH	lch(55.72, 62.99, 288.37°)
OKLab	oklab(62.53% -0.0114 -0.171)
OKLCH	oklch(62.53% 0.171 266.2)
XYZ	xyz(27.0769, 23.6352, 84.0074)
Luminance	0.2364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780EE #EEC557

analogous

#57CBEE #5780EE #7957EE

triadic

#5780EE #EE5780 #80EE57

tetradic

#5780EE #EE57CB #EEC557 #57EE79

square

#5780EE #EE57CB #EEC557 #57EE79

split-complementary

#5780EE #EE7957 #CBEE57

monochromatic

#1340B8 #1F56E8 #5780EE #8FAAF4 #C6D4F9

Accessibility & contrast

On white

3.67

#5780EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#5780EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780EE

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780EE	#FFFFFF	#000000	##000000
##5780EE	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498DF2

Deuteranopia (green-blind)

#2D7FEC

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5780ee;
/* rgb */ color: rgb(87, 128, 238);
/* oklch */ color: oklch(62.5% 0.171 266.2);

Tailwind

colors: {
  custom: {
    50: '#94a4f4',
    500: '#5780ee',
    950: '#000000',
  },
}

SCSS

$custom: #5780ee;
$custom-light: #94a4f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5780ee",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 238
  },
  "hsl": {
    "h": 223.709,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62528,
    "c": 0.17135,
    "h": 266.2
  },
  "luminance": 0.23638
}

Semantic roles & 50–950 ramp

primary

#5780EE

secondary

#EBDDB6

accent

#A408DE

background

#F9FAFF

surface

#F2F3FE

border

#CCCDD6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5780EE

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

Preview Lab → · Contrast checker → · Palette generator →