#577ED7#577ED7

#577ED7 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.7% C 0.142 H 264.7°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#577ED7
RGB	rgb(87, 126, 215)
HSL	hsl(222, 62%, 59%)
HSV	hsv(222, 60%, 84%)
CMYK	cmyk(59.5%, 41.4%, 0%, 15.7%)
CIE-LAB	lab(53.87, 13.34, -49.86)
CIE-LCH	lch(53.87, 51.61, 284.97°)
OKLab	oklab(60.68% -0.0132 -0.1418)
OKLCH	oklch(60.68% 0.142 264.7)
XYZ	xyz(23.6529, 21.8522, 67.2483)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ED7 #D7B057

analogous

#57BED7 #577ED7 #7057D7

triadic

#577ED7 #D7577E #7ED757

tetradic

#577ED7 #D757BE #D7B057 #57D770

square

#577ED7 #D757BE #D7B057 #57D770

split-complementary

#577ED7 #D77057 #BED757

monochromatic

#234491 #2E5BC2 #577ED7 #88A4E3 #BACAEF

Accessibility & contrast

On white

3.91

#577ED7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#577ED7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ED7

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ED7	#FFFFFF	#000000	##000000
##577ED7	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5787DA

Deuteranopia (green-blind)

#457BD5

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577ed7;
/* rgb */ color: rgb(87, 126, 215);
/* oklch */ color: oklch(60.7% 0.142 264.7);

Tailwind

colors: {
  custom: {
    50: '#91a2e4',
    500: '#577ed7',
    950: '#000000',
  },
}

SCSS

$custom: #577ed7;
$custom-light: #91a2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#577ed7",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 215
  },
  "hsl": {
    "h": 221.719,
    "s": 61.538,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60682,
    "c": 0.14246,
    "h": 264.7
  },
  "luminance": 0.21854
}

Semantic roles & 50–950 ramp

primary

#577ED7

secondary

#DECFAC

accent

#B343E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F15

muted

#7E7E84

Preview Lab

Preview with #577ED7

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

Preview Lab → · Contrast checker → · Palette generator →