#577EDA#577EDA

#577EDA is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.147 H 265.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#577EDA
RGB	rgb(87, 126, 218)
HSL	hsl(222, 64%, 60%)
HSV	hsv(222, 60%, 85%)
CMYK	cmyk(60.1%, 42.2%, 0%, 14.5%)
CIE-LAB	lab(54.04, 14.34, -51.28)
CIE-LCH	lch(54.04, 53.25, 285.62°)
OKLab	oklab(60.86% -0.0126 -0.146)
OKLCH	oklch(60.86% 0.147 265.1)
XYZ	xyz(24.0419, 22.0078, 69.2971)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EDA #DAB357

analogous

#57C0DA #577EDA #7157DA

triadic

#577EDA #DA577E #7EDA57

tetradic

#577EDA #DA57C0 #DAB357 #57DA71

square

#577EDA #DA57C0 #DAB357 #57DA71

split-complementary

#577EDA #DA7157 #C0DA57

monochromatic

#214496 #2C5AC8 #577EDA #89A5E5 #BBCBF0

Accessibility & contrast

On white

3.89

#577EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#577EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EDA

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EDA	#FFFFFF	#000000	##000000
##577EDA	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DE

Deuteranopia (green-blind)

#427CD8

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577eda;
/* rgb */ color: rgb(87, 126, 218);
/* oklch */ color: oklch(60.9% 0.147 265.1);

Tailwind

colors: {
  custom: {
    50: '#91a2e6',
    500: '#577eda',
    950: '#000000',
  },
}

SCSS

$custom: #577eda;
$custom-light: #91a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#577eda",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 218
  },
  "hsl": {
    "h": 222.137,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60863,
    "c": 0.14659,
    "h": 265.1
  },
  "luminance": 0.2201
}

Semantic roles & 50–950 ramp

primary

#577EDA

secondary

#E0D1AD

accent

#B541E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #577EDA

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

Preview Lab → · Contrast checker → · Palette generator →