#577ED8#577ED8

#577ED8 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.7% C 0.144 H 264.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#577ED8
RGB	rgb(87, 126, 216)
HSL	hsl(222, 62%, 59%)
HSV	hsv(222, 60%, 85%)
CMYK	cmyk(59.7%, 41.7%, 0%, 15.3%)
CIE-LAB	lab(53.92, 13.67, -50.33)
CIE-LCH	lch(53.92, 52.16, 285.19°)
OKLab	oklab(60.74% -0.013 -0.1432)
OKLCH	oklch(60.74% 0.144 264.8)
XYZ	xyz(23.7818, 21.9038, 67.9270)
Luminance	0.2191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ED8 #D8B157

analogous

#57BFD8 #577ED8 #7057D8

triadic

#577ED8 #D8577E #7ED857

tetradic

#577ED8 #D857BF #D8B157 #57D870

square

#577ED8 #D857BF #D8B157 #57D870

split-complementary

#577ED8 #D87057 #BFD857

monochromatic

#224493 #2E5BC4 #577ED8 #89A4E4 #BACAEF

Accessibility & contrast

On white

3.90

#577ED8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#577ED8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ED8

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ED8	#FFFFFF	#000000	##000000
##577ED8	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5687DB

Deuteranopia (green-blind)

#447BD6

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577ed8;
/* rgb */ color: rgb(87, 126, 216);
/* oklch */ color: oklch(60.7% 0.144 264.8);

Tailwind

colors: {
  custom: {
    50: '#91a2e4',
    500: '#577ed8',
    950: '#000000',
  },
}

SCSS

$custom: #577ed8;
$custom-light: #91a2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#577ed8",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 216
  },
  "hsl": {
    "h": 221.86,
    "s": 62.319,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60742,
    "c": 0.14384,
    "h": 264.8
  },
  "luminance": 0.21906
}

Semantic roles & 50–950 ramp

primary

#577ED8

secondary

#DFCFAC

accent

#B442E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #577ED8

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

Preview Lab → · Contrast checker → · Palette generator →