#577DE6#577DE6

#577DE6 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.4% C 0.164 H 266.6°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#577DE6
RGBrgb(87, 125, 230)
HSLhsl(224, 74%, 62%)
HSVhsv(224, 62%, 90%)
CMYKcmyk(62.2%, 45.7%, 0%, 9.8%)
CIE-LABlab(54.45, 18.98, -57.35)
CIE-LCHlch(54.45, 60.41, 288.31°)
OKLaboklab(61.41% -0.0096 -0.1639)
OKLCHoklch(61.41% 0.164 266.6)
XYZxyz(25.5421, 22.4044, 77.8260)
Luminance0.2241 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577DE6 #E6C057
analogous
#57C4E6 #577DE6 #7957E6
triadic
#577DE6 #E6577D #7DE657
tetradic
#577DE6 #E657C4 #E6C057 #57E679
square
#577DE6 #E657C4 #E6C057 #57E679
split-complementary
#577DE6 #E67957 #C4E657
monochromatic
#1940A9 #2254DE #577DE6 #8CA6EE #C2CFF6

Accessibility & contrast

On white

3.83
#577DE6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.48
#577DE6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DE6
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577DE6#FFFFFF#000000##000000
##577DE61.003.835.485.48
#FFFFFF3.831.0021.0021.00
#0000005.4821.001.001.00
##0000005.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#4A89EA
Deuteranopia (green-blind)
#317CE4
Tritanopia (blue-blind)
#0095A6
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #577de6;
/* rgb */ color: rgb(87, 125, 230);
/* oklch */ color: oklch(61.4% 0.164 266.6);
Tailwind
colors: {
  custom: {
    50: '#93a2ee',
    500: '#577de6',
    950: '#000000',
  },
}
SCSS
$custom: #577de6;
$custom-light: #93a2ee;
$custom-dark: #000000;
JSON
{
  "hex": "#577de6",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 230
  },
  "hsl": {
    "h": 224.056,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61406,
    "c": 0.16414,
    "h": 266.6
  },
  "luminance": 0.22407
}

Semantic roles & 50–950 ramp

primary
#577DE6
secondary
#E7D9B2
accent
#A10FD6
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F16
muted
#7E7E84

Preview Lab

Preview with #577DE6

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

Preview Lab → · Contrast checker → · Palette generator →

#577DE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva