#5771DB#5771DB

#5771DB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.3% C 0.164 H 270.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#5771DB
RGB	rgb(87, 113, 219)
HSL	hsl(228, 65%, 60%)
HSV	hsv(228, 60%, 86%)
CMYK	cmyk(60.3%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(50.63, 22.65, -57.30)
CIE-LCH	lch(50.63, 61.62, 291.57°)
OKLab	oklab(58.28% 0.0008 -0.1639)
OKLCH	oklch(58.28% 0.164 270.3)
XYZ	xyz(22.6175, 18.9491, 69.4698)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771DB #DBC157

analogous

#57B3DB #5771DB #7F57DB

triadic

#5771DB #DB5771 #71DB57

tetradic

#5771DB #DB57B3 #DBC157 #57DB7F

square

#5771DB #DB57B3 #DBC157 #57DB7F

split-complementary

#5771DB #DB7F57 #B3DB57

monochromatic

#203897 #2B4ACA #5771DB #899CE6 #BCC6F1

Accessibility & contrast

On white

4.38

#5771DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#5771DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5771DB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771DB	#FFFFFF	#000000	##000000
##5771DB	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7FDF

Deuteranopia (green-blind)

#2273D9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5771db;
/* rgb */ color: rgb(87, 113, 219);
/* oklch */ color: oklch(58.3% 0.164 270.3);

Tailwind

colors: {
  custom: {
    50: '#9299e7',
    500: '#5771db',
    950: '#000000',
  },
}

SCSS

$custom: #5771db;
$custom-light: #9299e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5771db",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 228.182,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.58276,
    "c": 0.16388,
    "h": 270.3
  },
  "luminance": 0.18951
}

Semantic roles & 50–950 ramp

primary

#5771DB

secondary

#E0D6AD

accent

#C740E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5771DB

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

Preview Lab → · Contrast checker → · Palette generator →