#577EED#577EED

#577EED is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.1% C 0.172 H 266.8°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#577EED
RGB	rgb(87, 126, 237)
HSL	hsl(224, 81%, 64%)
HSV	hsv(224, 63%, 93%)
CMYK	cmyk(63.3%, 46.8%, 0%, 7.1%)
CIE-LAB	lab(55.13, 20.74, -60.16)
CIE-LCH	lch(55.13, 63.64, 289.02°)
OKLab	oklab(62.06% -0.0096 -0.1721)
OKLCH	oklch(62.06% 0.172 266.8)
XYZ	xyz(26.6721, 23.0600, 83.1498)
Luminance	0.2306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EED #EDC657

analogous

#57C9ED #577EED #7B57ED

triadic

#577EED #ED577E #7EED57

tetradic

#577EED #ED57C9 #EDC657 #57ED7B

square

#577EED #ED57C9 #EDC657 #57ED7B

split-complementary

#577EED #ED7B57 #C9ED57

monochromatic

#143EB6 #2054E7 #577EED #8EA8F3 #C6D3F9

Accessibility & contrast

On white

3.74

#577EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#577EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EED

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EED	#FFFFFF	#000000	##000000
##577EED	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468BF1

Deuteranopia (green-blind)

#287EEB

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #577eed;
/* rgb */ color: rgb(87, 126, 237);
/* oklch */ color: oklch(62.1% 0.172 266.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#577eed",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 237
  },
  "hsl": {
    "h": 224.4,
    "s": 80.645,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6206,
    "c": 0.1724,
    "h": 266.8
  },
  "luminance": 0.23062
}

Semantic roles & 50–950 ramp

primary

#577EED

secondary

#EADDB5

accent

#A609DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #577EED

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

Preview Lab → · Contrast checker → · Palette generator →