#577DE8#577DE8

#577DE8 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.5% C 0.167 H 266.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#577DE8
RGB	rgb(87, 125, 232)
HSL	hsl(224, 76%, 63%)
HSV	hsv(224, 63%, 91%)
CMYK	cmyk(62.5%, 46.1%, 0%, 9%)
CIE-LAB	lab(54.57, 19.65, -58.28)
CIE-LCH	lch(54.57, 61.50, 288.64°)
OKLab	oklab(61.54% -0.0093 -0.1666)
OKLCH	oklch(61.54% 0.167 266.8)
XYZ	xyz(25.8246, 22.5174, 79.3136)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DE8 #E8C257

analogous

#57C5E8 #577DE8 #7A57E8

triadic

#577DE8 #E8577D #7DE857

tetradic

#577DE8 #E857C5 #E8C257 #57E87A

square

#577DE8 #E857C5 #E8C257 #57E87A

split-complementary

#577DE8 #E87A57 #C5E857

monochromatic

#183FAD #2153E1 #577DE8 #8DA7EF #C3D0F7

Accessibility & contrast

On white

3.82

#577DE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#577DE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DE8

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DE8	#FFFFFF	#000000	##000000
##577DE8	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488AEC

Deuteranopia (green-blind)

#2E7CE6

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #577de8;
/* rgb */ color: rgb(87, 125, 232);
/* oklch */ color: oklch(61.5% 0.167 266.8);

Tailwind

colors: {
  custom: {
    50: '#93a2f0',
    500: '#577de8',
    950: '#000000',
  },
}

SCSS

$custom: #577de8;
$custom-light: #93a2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#577de8",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 232
  },
  "hsl": {
    "h": 224.276,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61535,
    "c": 0.16685,
    "h": 266.8
  },
  "luminance": 0.2252
}

Semantic roles & 50–950 ramp

primary

#577DE8

secondary

#E8DAB3

accent

#A30DD8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #577DE8

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

Preview Lab → · Contrast checker → · Palette generator →