#577FE2#577FE2

#577FE2 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.156 H 265.5°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#577FE2
RGB	rgb(87, 127, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 62%, 89%)
CMYK	cmyk(61.5%, 43.8%, 0%, 11.4%)
CIE-LAB	lab(54.76, 16.41, -54.63)
CIE-LCH	lch(54.76, 57.04, 286.72°)
OKLab	oklab(61.56% -0.0122 -0.1558)
OKLCH	oklch(61.56% 0.156 265.5)
XYZ	xyz(25.2426, 22.6937, 74.9868)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FE2 #E2BA57

analogous

#57C5E2 #577FE2 #7557E2

triadic

#577FE2 #E2577F #7FE257

tetradic

#577FE2 #E257C5 #E2BA57 #57E275

square

#577FE2 #E257C5 #E2BA57 #57E275

split-complementary

#577FE2 #E27557 #C5E257

monochromatic

#1C43A3 #2558D7 #577FE2 #8BA7EB #BFCFF4

Accessibility & contrast

On white

3.79

#577FE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#577FE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FE2

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FE2	#FFFFFF	#000000	##000000
##577FE2	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518AE6

Deuteranopia (green-blind)

#3B7DE0

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #577fe2;
/* rgb */ color: rgb(87, 127, 226);
/* oklch */ color: oklch(61.6% 0.156 265.5);

Tailwind

colors: {
  custom: {
    50: '#92a3ec',
    500: '#577fe2',
    950: '#000000',
  },
}

SCSS

$custom: #577fe2;
$custom-light: #92a3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#577fe2",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 226
  },
  "hsl": {
    "h": 222.734,
    "s": 70.558,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61563,
    "c": 0.15632,
    "h": 265.5
  },
  "luminance": 0.22696
}

Semantic roles & 50–950 ramp

primary

#577FE2

secondary

#E4D5B0

accent

#9B13D3

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #577FE2

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

Preview Lab → · Contrast checker → · Palette generator →