#5780EB#5780EB

#5780EB is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.3% C 0.167 H 266.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5780EB
RGB	rgb(87, 128, 235)
HSL	hsl(223, 79%, 63%)
HSV	hsv(223, 63%, 92%)
CMYK	cmyk(63%, 45.5%, 0%, 7.8%)
CIE-LAB	lab(55.54, 18.84, -58.39)
CIE-LCH	lch(55.54, 61.36, 287.88°)
OKLab	oklab(62.33% -0.0118 -0.1669)
OKLCH	oklch(62.33% 0.167 266)
XYZ	xyz(26.6399, 23.4603, 81.7056)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780EB #EBC257

analogous

#57CAEB #5780EB #7857EB

triadic

#5780EB #EB5780 #80EB57

tetradic

#5780EB #EB57CA #EBC257 #57EB78

square

#5780EB #EB57CA #EBC257 #57EB78

split-complementary

#5780EB #EB7857 #CAEB57

monochromatic

#1541B2 #2057E4 #5780EB #8EA9F2 #C4D3F8

Accessibility & contrast

On white

3.69

#5780EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#5780EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780EB

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780EB	#FFFFFF	#000000	##000000
##5780EB	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8CEF

Deuteranopia (green-blind)

#327FE9

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5780eb;
/* rgb */ color: rgb(87, 128, 235);
/* oklch */ color: oklch(62.3% 0.167 266.0);

Tailwind

colors: {
  custom: {
    50: '#94a4f2',
    500: '#5780eb',
    950: '#000000',
  },
}

SCSS

$custom: #5780eb;
$custom-light: #94a4f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5780eb",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 235
  },
  "hsl": {
    "h": 223.378,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62335,
    "c": 0.16731,
    "h": 266
  },
  "luminance": 0.23463
}

Semantic roles & 50–950 ramp

primary

#5780EB

secondary

#E9DBB4

accent

#A10ADB

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5780EB

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

Preview Lab → · Contrast checker → · Palette generator →