#577FE6#577FE6

#577FE6 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.8% C 0.162 H 265.9°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#577FE6
RGB	rgb(87, 127, 230)
HSL	hsl(223, 74%, 62%)
HSV	hsv(223, 62%, 90%)
CMYK	cmyk(62.2%, 44.8%, 0%, 9.8%)
CIE-LAB	lab(54.99, 17.76, -56.50)
CIE-LCH	lch(54.99, 59.22, 287.45°)
OKLab	oklab(61.81% -0.0116 -0.1613)
OKLCH	oklch(61.81% 0.162 265.9)
XYZ	xyz(25.7979, 22.9159, 77.9113)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FE6 #E6BE57

analogous

#57C6E6 #577FE6 #7757E6

triadic

#577FE6 #E6577F #7FE657

tetradic

#577FE6 #E657C6 #E6BE57 #57E677

square

#577FE6 #E657C6 #E6BE57 #57E677

split-complementary

#577FE6 #E67757 #C6E657

monochromatic

#1942A9 #2256DE #577FE6 #8CA8EE #C2D0F6

Accessibility & contrast

On white

3.76

#577FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#577FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FE6

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FE6	#FFFFFF	#000000	##000000
##577FE6	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8BEA

Deuteranopia (green-blind)

#367EE4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #577fe6;
/* rgb */ color: rgb(87, 127, 230);
/* oklch */ color: oklch(61.8% 0.162 265.9);

Tailwind

colors: {
  custom: {
    50: '#93a3ee',
    500: '#577fe6',
    950: '#000000',
  },
}

SCSS

$custom: #577fe6;
$custom-light: #93a3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#577fe6",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 230
  },
  "hsl": {
    "h": 223.217,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61814,
    "c": 0.16175,
    "h": 265.9
  },
  "luminance": 0.22918
}

Semantic roles & 50–950 ramp

primary

#577FE6

secondary

#E7D8B2

accent

#9F0FD6

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #577FE6

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

Preview Lab → · Contrast checker → · Palette generator →