#5783CD#5783CD

#5783CD is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.2% C 0.123 H 260.3°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5783CD
RGB	rgb(87, 131, 205)
HSL	hsl(218, 54%, 57%)
HSV	hsv(218, 58%, 80%)
CMYK	cmyk(57.6%, 36.1%, 0%, 19.6%)
CIE-LAB	lab(54.73, 7.01, -42.85)
CIE-LCH	lch(54.73, 43.42, 279.29°)
OKLab	oklab(61.17% -0.0208 -0.1213)
OKLCH	oklch(61.17% 0.123 260.3)
XYZ	xyz(23.0624, 22.6647, 60.9052)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783CD #CDA157

analogous

#57BECD #5783CD #6657CD

triadic

#5783CD #CD5783 #83CD57

tetradic

#5783CD #CD57BE #CDA157 #57CD66

square

#5783CD #CD57BE #CDA157 #57CD66

split-complementary

#5783CD #CD6657 #BECD57

monochromatic

#274983 #3564B2 #5783CD #86A6DB #B5C9E9

Accessibility & contrast

On white

3.80

#5783CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#5783CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783CD

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783CD	#FFFFFF	#000000	##000000
##5783CD	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6489D0

Deuteranopia (green-blind)

#557ECB

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5783cd;
/* rgb */ color: rgb(87, 131, 205);
/* oklch */ color: oklch(61.2% 0.123 260.3);

Tailwind

colors: {
  custom: {
    50: '#8fa6dc',
    500: '#5783cd',
    950: '#000000',
  },
}

SCSS

$custom: #5783cd;
$custom-light: #8fa6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5783cd",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 205
  },
  "hsl": {
    "h": 217.627,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.61173,
    "c": 0.12306,
    "h": 260.3
  },
  "luminance": 0.22667
}

Semantic roles & 50–950 ramp

primary

#5783CD

secondary

#D8C6A8

accent

#A74ADD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5783CD

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

Preview Lab → · Contrast checker → · Palette generator →