#577AE8#577AE8

#577AE8 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.9% C 0.170 H 267.8°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#577AE8
RGB	rgb(87, 122, 232)
HSL	hsl(226, 76%, 63%)
HSV	hsv(226, 63%, 91%)
CMYK	cmyk(62.5%, 47.4%, 0%, 9%)
CIE-LAB	lab(53.78, 21.49, -59.55)
CIE-LCH	lch(53.78, 63.31, 289.85°)
OKLab	oklab(60.93% -0.0065 -0.1704)
OKLCH	oklch(60.93% 0.17 267.8)
XYZ	xyz(25.4505, 21.7692, 79.1890)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AE8 #E8C557

analogous

#57C3E8 #577AE8 #7C57E8

triadic

#577AE8 #E8577A #7AE857

tetradic

#577AE8 #E857C3 #E8C557 #57E87C

square

#577AE8 #E857C3 #E8C557 #57E87C

split-complementary

#577AE8 #E87C57 #C3E857

monochromatic

#183CAD #214FE1 #577AE8 #8DA5EF #C3CFF7

Accessibility & contrast

On white

3.92

#577AE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#577AE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AE8

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AE8	#FFFFFF	#000000	##000000
##577AE8	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4287EC

Deuteranopia (green-blind)

#257AE6

Tritanopia (blue-blind)

#0093A6

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577ae8;
/* rgb */ color: rgb(87, 122, 232);
/* oklch */ color: oklch(60.9% 0.170 267.8);

Tailwind

colors: {
  custom: {
    50: '#93a0f0',
    500: '#577ae8',
    950: '#000000',
  },
}

SCSS

$custom: #577ae8;
$custom-light: #93a0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#577ae8",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 232
  },
  "hsl": {
    "h": 225.517,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.60931,
    "c": 0.17048,
    "h": 267.8
  },
  "luminance": 0.21771
}

Semantic roles & 50–950 ramp

primary

#577AE8

secondary

#E8DBB3

accent

#A70DD8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #577AE8

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

Preview Lab → · Contrast checker → · Palette generator →