#577FF6#577FF6

#577FF6 is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.9% C 0.183 H 267.1°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#577FF6
RGB	rgb(87, 127, 246)
HSL	hsl(225, 90%, 65%)
HSV	hsv(225, 65%, 96%)
CMYK	cmyk(64.6%, 48.4%, 0%, 3.5%)
CIE-LAB	lab(55.94, 23.18, -63.86)
CIE-LCH	lch(55.94, 67.94, 289.95°)
OKLab	oklab(62.85% -0.0094 -0.183)
OKLCH	oklch(62.85% 0.183 267.1)
XYZ	xyz(28.1487, 23.8562, 90.2922)
Luminance	0.2386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FF6 #F6CE57

analogous

#57CEF6 #577FF6 #7F57F6

triadic

#577FF6 #F6577F #7FF657

tetradic

#577FF6 #F657CE #F6CE57 #57F67F

square

#577FF6 #F657CE #F6CE57 #57F67F

split-complementary

#577FF6 #F67F57 #CEF657

monochromatic

#0B3AC8 #1D53F3 #577FF6 #91ABF9 #CBD8FC

Accessibility & contrast

On white

3.64

#577FF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#577FF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FF6

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FF6	#FFFFFF	#000000	##000000
##577FF6	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8EFA

Deuteranopia (green-blind)

#157FF4

Tritanopia (blue-blind)

#009BAF

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #577ff6;
/* rgb */ color: rgb(87, 127, 246);
/* oklch */ color: oklch(62.9% 0.183 267.1);

Tailwind

colors: {
  custom: {
    50: '#95a3fa',
    500: '#577ff6',
    950: '#000000',
  },
}

SCSS

$custom: #577ff6;
$custom-light: #95a3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#577ff6",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 246
  },
  "hsl": {
    "h": 224.906,
    "s": 89.831,
    "l": 65.294
  },
  "oklch": {
    "l": 0.62853,
    "c": 0.18322,
    "h": 267.1
  },
  "luminance": 0.23859
}

Semantic roles & 50–950 ramp

primary

#577FF6

secondary

#EFE2BA

accent

#AC00E6

background

#F9FAFF

surface

#F2F3FF

border

#CCCDD7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #577FF6

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

Preview Lab → · Contrast checker → · Palette generator →