#5783EE#5783EE

#5783EE is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.1% C 0.168 H 265.1°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5783EE
RGB	rgb(87, 131, 238)
HSL	hsl(223, 82%, 64%)
HSV	hsv(223, 63%, 93%)
CMYK	cmyk(63.4%, 45%, 0%, 6.7%)
CIE-LAB	lab(56.52, 18.03, -58.51)
CIE-LCH	lch(56.52, 61.22, 287.13°)
OKLab	oklab(63.14% -0.0142 -0.1672)
OKLCH	oklch(63.14% 0.168 265.1)
XYZ	xyz(27.4740, 24.4294, 84.1398)
Luminance	0.2443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783EE #EEC257

analogous

#57CEEE #5783EE #7657EE

triadic

#5783EE #EE5783 #83EE57

tetradic

#5783EE #EE57CE #EEC257 #57EE76

square

#5783EE #EE57CE #EEC257 #57EE76

split-complementary

#5783EE #EE7657 #CEEE57

monochromatic

#1343B8 #1F5AE8 #5783EE #8FACF4 #C6D5F9

Accessibility & contrast

On white

3.57

#5783EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#5783EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783EE

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783EE	#FFFFFF	#000000	##000000
##5783EE	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8FF2

Deuteranopia (green-blind)

#3581EC

Tritanopia (blue-blind)

#009BAD

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5783ee;
/* rgb */ color: rgb(87, 131, 238);
/* oklch */ color: oklch(63.1% 0.168 265.1);

Tailwind

colors: {
  custom: {
    50: '#94a6f4',
    500: '#5783ee',
    950: '#000000',
  },
}

SCSS

$custom: #5783ee;
$custom-light: #94a6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5783ee",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 238
  },
  "hsl": {
    "h": 222.517,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.63136,
    "c": 0.16778,
    "h": 265.1
  },
  "luminance": 0.24432
}

Semantic roles & 50–950 ramp

primary

#5783EE

secondary

#EBDCB6

accent

#9F08DE

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5783EE

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

Preview Lab → · Contrast checker → · Palette generator →