#5783CF#5783CF

#5783CF is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.3% C 0.126 H 260.7°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5783CF
RGB	rgb(87, 131, 207)
HSL	hsl(218, 56%, 58%)
HSV	hsv(218, 58%, 81%)
CMYK	cmyk(58%, 36.7%, 0%, 18.8%)
CIE-LAB	lab(54.83, 7.67, -43.82)
CIE-LCH	lch(54.83, 44.49, 279.92°)
OKLab	oklab(61.29% -0.0203 -0.1241)
OKLCH	oklch(61.29% 0.126 260.7)
XYZ	xyz(23.3054, 22.7619, 62.1847)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783CF #CFA357

analogous

#57BFCF #5783CF #6757CF

triadic

#5783CF #CF5783 #83CF57

tetradic

#5783CF #CF57BF #CFA357 #57CF67

square

#5783CF #CF57BF #CFA357 #57CF67

split-complementary

#5783CF #CF6757 #BFCF57

monochromatic

#264985 #3463B5 #5783CF #87A6DD #B6C9EA

Accessibility & contrast

On white

3.78

#5783CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#5783CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783CF

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783CF	#FFFFFF	#000000	##000000
##5783CF	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6389D2

Deuteranopia (green-blind)

#547ECD

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5783cf;
/* rgb */ color: rgb(87, 131, 207);
/* oklch */ color: oklch(61.3% 0.126 260.7);

Tailwind

colors: {
  custom: {
    50: '#8fa6de',
    500: '#5783cf',
    950: '#000000',
  },
}

SCSS

$custom: #5783cf;
$custom-light: #8fa6de;
$custom-dark: #000000;

JSON

{
  "hex": "#5783cf",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 207
  },
  "hsl": {
    "h": 218,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.61285,
    "c": 0.12578,
    "h": 260.7
  },
  "luminance": 0.22764
}

Semantic roles & 50–950 ramp

primary

#5783CF

secondary

#D9C7A9

accent

#A849DF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5783CF

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

Preview Lab → · Contrast checker → · Palette generator →