#5771BF#5771BF

#5771BF is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.125 H 268.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#5771BF
RGB	rgb(87, 113, 191)
HSL	hsl(225, 45%, 55%)
HSV	hsv(225, 54%, 75%)
CMYK	cmyk(54.5%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(49.00, 13.38, -43.92)
CIE-LCH	lch(49.00, 45.91, 286.94°)
OKLab	oklab(56.51% -0.0036 -0.1246)
OKLCH	oklch(56.51% 0.125 268.3)
XYZ	xyz(19.2365, 17.5967, 51.6629)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771BF #BFA557

analogous

#57A5BF #5771BF #7157BF

triadic

#5771BF #BF5771 #71BF57

tetradic

#5771BF #BF57A5 #BFA557 #57BF71

square

#5771BF #BF57A5 #BFA557 #57BF71

split-complementary

#5771BF #BF7157 #A5BF57

monochromatic

#2B3C71 #3C549D #5771BF #8396D0 #B0BCE1

Accessibility & contrast

On white

4.65

#5771BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#5771BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5771BF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771BF	#FFFFFF	#000000	##FFFFFF
##5771BF	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5179C2

Deuteranopia (green-blind)

#4470BD

Tritanopia (blue-blind)

#1F828F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5771bf;
/* rgb */ color: rgb(87, 113, 191);
/* oklch */ color: oklch(56.5% 0.125 268.3);

Tailwind

colors: {
  custom: {
    50: '#8d99d3',
    500: '#5771bf',
    950: '#000000',
  },
}

SCSS

$custom: #5771bf;
$custom-light: #8d99d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5771bf",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 225,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.56509,
    "c": 0.12463,
    "h": 268.3
  },
  "luminance": 0.17598
}

Semantic roles & 50–950 ramp

primary

#5771BF

secondary

#CFC4A3

accent

#B453D5

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #5771BF

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

Preview Lab → · Contrast checker → · Palette generator →