#577AE1#577AE1

#577AE1 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.5% C 0.161 H 267.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#577AE1
RGB	rgb(87, 122, 225)
HSL	hsl(225, 70%, 61%)
HSV	hsv(225, 61%, 88%)
CMYK	cmyk(61.3%, 45.8%, 0%, 11.8%)
CIE-LAB	lab(53.36, 19.13, -56.30)
CIE-LCH	lch(53.36, 59.46, 288.77°)
OKLab	oklab(60.48% -0.0074 -0.1608)
OKLCH	oklch(60.48% 0.161 267.4)
XYZ	xyz(24.4760, 21.3794, 74.0564)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AE1 #E1BE57

analogous

#57BFE1 #577AE1 #7957E1

triadic

#577AE1 #E1577A #7AE157

tetradic

#577AE1 #E157BF #E1BE57 #57E179

square

#577AE1 #E157BF #E1BE57 #57E179

split-complementary

#577AE1 #E17957 #BFE157

monochromatic

#1D3EA1 #2652D5 #577AE1 #8BA3EA #BFCCF4

Accessibility & contrast

On white

3.98

#577AE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#577AE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AE1

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AE1	#FFFFFF	#000000	##000000
##577AE1	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4886E5

Deuteranopia (green-blind)

#317ADF

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #577ae1;
/* rgb */ color: rgb(87, 122, 225);
/* oklch */ color: oklch(60.5% 0.161 267.4);

Tailwind

colors: {
  custom: {
    50: '#92a0eb',
    500: '#577ae1',
    950: '#000000',
  },
}

SCSS

$custom: #577ae1;
$custom-light: #92a0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#577ae1",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 225
  },
  "hsl": {
    "h": 224.783,
    "s": 69.697,
    "l": 61.176
  },
  "oklch": {
    "l": 0.60477,
    "c": 0.16098,
    "h": 267.4
  },
  "luminance": 0.21382
}

Semantic roles & 50–950 ramp

primary

#577AE1

secondary

#E4D7B0

accent

#A214D2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #577AE1

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

Preview Lab → · Contrast checker → · Palette generator →