#578AEE#578AEE

#578AEE is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.6% C 0.160 H 262.4°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#578AEE
RGB	rgb(87, 138, 238)
HSL	hsl(220, 82%, 64%)
HSV	hsv(220, 63%, 93%)
CMYK	cmyk(63.4%, 42%, 0%, 6.7%)
CIE-LAB	lab(58.39, 13.80, -55.51)
CIE-LCH	lch(58.39, 57.20, 283.97°)
OKLab	oklab(64.58% -0.021 -0.1583)
OKLCH	oklch(64.58% 0.16 262.4)
XYZ	xyz(28.4462, 26.3736, 84.4639)
Luminance	0.2638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578AEE #EEBB57

analogous

#57D5EE #578AEE #6F57EE

triadic

#578AEE #EE578A #8AEE57

tetradic

#578AEE #EE57D5 #EEBB57 #57EE6F

square

#578AEE #EE57D5 #EEBB57 #57EE6F

split-complementary

#578AEE #EE6F57 #D5EE57

monochromatic

#134AB8 #1F63E8 #578AEE #8FB1F4 #C6D7F9

Accessibility & contrast

On white

3.35

#578AEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#578AEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578AEE

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578AEE	#FFFFFF	#000000	##000000
##578AEE	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C94F2

Deuteranopia (green-blind)

#4586EC

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578aee;
/* rgb */ color: rgb(87, 138, 238);
/* oklch */ color: oklch(64.6% 0.160 262.4);

Tailwind

colors: {
  custom: {
    50: '#94abf4',
    500: '#578aee',
    950: '#000000',
  },
}

SCSS

$custom: #578aee;
$custom-light: #94abf4;
$custom-dark: #000000;

JSON

{
  "hex": "#578aee",
  "rgb": {
    "r": 87,
    "g": 138,
    "b": 238
  },
  "hsl": {
    "h": 219.735,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64578,
    "c": 0.15968,
    "h": 262.4
  },
  "luminance": 0.26376
}

Semantic roles & 50–950 ramp

primary

#578AEE

secondary

#EBD9B6

accent

#9608DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578AEE

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

Preview Lab → · Contrast checker → · Palette generator →