#5771BB#5771BB

#5771BB is a mid, moderate blue. Relative luminance 0.174; OKLCH L 56.3% C 0.119 H 267.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5771BB
RGB	rgb(87, 113, 187)
HSL	hsl(224, 42%, 54%)
HSV	hsv(224, 53%, 73%)
CMYK	cmyk(53.5%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(48.79, 12.07, -41.95)
CIE-LCH	lch(48.79, 43.65, 286.06°)
OKLab	oklab(56.27% -0.0044 -0.1188)
OKLCH	oklch(56.27% 0.119 267.9)
XYZ	xyz(18.8023, 17.4230, 49.3763)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771BB #BBA157

analogous

#57A3BB #5771BB #6F57BB

triadic

#5771BB #BB5771 #71BB57

tetradic

#5771BB #BB57A3 #BBA157 #57BB6F

square

#5771BB #BB57A3 #BBA157 #57BB6F

split-complementary

#5771BB #BB6F57 #A3BB57

monochromatic

#2C3C6C #3D5597 #5771BB #8396CD #AEBBDE

Accessibility & contrast

On white

4.68

#5771BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#5771BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5771BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771BB	#FFFFFF	#000000	##FFFFFF
##5771BB	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#4770B9

Tritanopia (blue-blind)

#25818D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5771bb;
/* rgb */ color: rgb(87, 113, 187);
/* oklch */ color: oklch(56.3% 0.119 267.9);

Tailwind

colors: {
  custom: {
    50: '#8d99d0',
    500: '#5771bb',
    950: '#000000',
  },
}

SCSS

$custom: #5771bb;
$custom-light: #8d99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5771bb",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 224.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56274,
    "c": 0.11891,
    "h": 267.9
  },
  "luminance": 0.17424
}

Semantic roles & 50–950 ramp

primary

#5771BB

secondary

#CCC1A2

accent

#B256D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #5771BB

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

Preview Lab → · Contrast checker → · Palette generator →