#5783CB#5783CB

#5783CB is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.1% C 0.120 H 259.8°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5783CB
RGB	rgb(87, 131, 203)
HSL	hsl(217, 53%, 57%)
HSV	hsv(217, 57%, 80%)
CMYK	cmyk(57.1%, 35.5%, 0%, 20.4%)
CIE-LAB	lab(54.63, 6.35, -41.87)
CIE-LCH	lch(54.63, 42.35, 278.63°)
OKLab	oklab(61.06% -0.0213 -0.1184)
OKLCH	oklch(61.06% 0.12 259.8)
XYZ	xyz(22.8225, 22.5687, 59.6418)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783CB #CB9F57

analogous

#57BDCB #5783CB #6557CB

triadic

#5783CB #CB5783 #83CB57

tetradic

#5783CB #CB57BD #CB9F57 #57CB65

square

#5783CB #CB57BD #CB9F57 #57CB65

split-complementary

#5783CB #CB6557 #BDCB57

monochromatic

#284980 #3664AF #5783CB #86A5D9 #B4C8E8

Accessibility & contrast

On white

3.81

#5783CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#5783CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783CB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783CB	#FFFFFF	#000000	##000000
##5783CB	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6589CE

Deuteranopia (green-blind)

#577EC9

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5783cb;
/* rgb */ color: rgb(87, 131, 203);
/* oklch */ color: oklch(61.1% 0.120 259.8);

Tailwind

colors: {
  custom: {
    50: '#8fa6db',
    500: '#5783cb',
    950: '#000000',
  },
}

SCSS

$custom: #5783cb;
$custom-light: #8fa6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5783cb",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 203
  },
  "hsl": {
    "h": 217.241,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61063,
    "c": 0.12034,
    "h": 259.8
  },
  "luminance": 0.22571
}

Semantic roles & 50–950 ramp

primary

#5783CB

secondary

#D7C5A7

accent

#A54CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5783CB

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

Preview Lab → · Contrast checker → · Palette generator →