#5783CE#5783CE

#5783CE is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.2% C 0.124 H 260.5°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5783CE
RGB	rgb(87, 131, 206)
HSL	hsl(218, 55%, 57%)
HSV	hsv(218, 58%, 81%)
CMYK	cmyk(57.8%, 36.4%, 0%, 19.2%)
CIE-LAB	lab(54.78, 7.34, -43.34)
CIE-LCH	lch(54.78, 43.95, 279.61°)
OKLab	oklab(61.23% -0.0205 -0.1227)
OKLCH	oklch(61.23% 0.124 260.5)
XYZ	xyz(23.1835, 22.7131, 61.5429)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783CE #CEA257

analogous

#57BFCE #5783CE #6657CE

triadic

#5783CE #CE5783 #83CE57

tetradic

#5783CE #CE57BF #CEA257 #57CE66

square

#5783CE #CE57BF #CEA257 #57CE66

split-complementary

#5783CE #CE6657 #BFCE57

monochromatic

#274984 #3463B3 #5783CE #86A6DC #B6C9EA

Accessibility & contrast

On white

3.79

#5783CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#5783CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783CE

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783CE	#FFFFFF	#000000	##000000
##5783CE	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6489D1

Deuteranopia (green-blind)

#547ECC

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5783ce;
/* rgb */ color: rgb(87, 131, 206);
/* oklch */ color: oklch(61.2% 0.124 260.5);

Tailwind

colors: {
  custom: {
    50: '#8fa6dd',
    500: '#5783ce',
    950: '#000000',
  },
}

SCSS

$custom: #5783ce;
$custom-light: #8fa6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5783ce",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 206
  },
  "hsl": {
    "h": 217.815,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.61229,
    "c": 0.12442,
    "h": 260.5
  },
  "luminance": 0.22715
}

Semantic roles & 50–950 ramp

primary

#5783CE

secondary

#D8C7A8

accent

#A74ADE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5783CE

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

Preview Lab → · Contrast checker → · Palette generator →