#577DED#577DED

#577DED is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.174 H 267.1°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#577DED
RGB	rgb(87, 125, 237)
HSL	hsl(225, 81%, 64%)
HSV	hsv(225, 63%, 93%)
CMYK	cmyk(63.3%, 47.3%, 0%, 7.1%)
CIE-LAB	lab(54.87, 21.35, -60.59)
CIE-LCH	lch(54.87, 64.24, 289.41°)
OKLab	oklab(61.86% -0.0087 -0.1734)
OKLCH	oklch(61.86% 0.174 267.1)
XYZ	xyz(26.5449, 22.8055, 83.1074)
Luminance	0.2281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DED #EDC757

analogous

#57C8ED #577DED #7C57ED

triadic

#577DED #ED577D #7DED57

tetradic

#577DED #ED57C8 #EDC757 #57ED7C

square

#577DED #ED57C8 #EDC757 #57ED7C

split-complementary

#577DED #ED7C57 #C8ED57

monochromatic

#143DB6 #2052E7 #577DED #8EA8F3 #C6D3F9

Accessibility & contrast

On white

3.78

#577DED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#577DED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DED

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DED	#FFFFFF	#000000	##000000
##577DED	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438BF1

Deuteranopia (green-blind)

#257DEB

Tritanopia (blue-blind)

#0097AA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #577ded;
/* rgb */ color: rgb(87, 125, 237);
/* oklch */ color: oklch(61.9% 0.174 267.1);

Tailwind

colors: {
  custom: {
    50: '#94a2f3',
    500: '#577ded',
    950: '#000000',
  },
}

SCSS

$custom: #577ded;
$custom-light: #94a2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#577ded",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 237
  },
  "hsl": {
    "h": 224.8,
    "s": 80.645,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6186,
    "c": 0.1736,
    "h": 267.1
  },
  "luminance": 0.22808
}

Semantic roles & 50–950 ramp

primary

#577DED

secondary

#EADDB5

accent

#A709DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #577DED

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

Preview Lab → · Contrast checker → · Palette generator →