#578FE3#578FE3

#578FE3 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.0% C 0.140 H 258.3°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#578FE3
RGB	rgb(87, 143, 227)
HSL	hsl(216, 71%, 62%)
HSV	hsv(216, 62%, 89%)
CMYK	cmyk(61.7%, 37%, 0%, 11%)
CIE-LAB	lab(59.17, 7.13, -48.16)
CIE-LCH	lch(59.17, 48.68, 278.43°)
OKLab	oklab(64.99% -0.0283 -0.1367)
OKLCH	oklch(64.99% 0.14 258.3)
XYZ	xyz(27.6131, 27.2147, 76.4559)
Luminance	0.2722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FE3 #E3AB57

analogous

#57D5E3 #578FE3 #6557E3

triadic

#578FE3 #E3578F #8FE357

tetradic

#578FE3 #E357D5 #E3AB57 #57E365

square

#578FE3 #E357D5 #E3AB57 #57E365

split-complementary

#578FE3 #E36557 #D5E357

monochromatic

#1B52A4 #246CD9 #578FE3 #8BB2EC #C0D5F4

Accessibility & contrast

On white

3.26

#578FE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#578FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FE3

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FE3	#FFFFFF	#000000	##000000
##578FE3	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E6

Deuteranopia (green-blind)

#5788E1

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578fe3;
/* rgb */ color: rgb(87, 143, 227);
/* oklch */ color: oklch(65.0% 0.140 258.3);

Tailwind

colors: {
  custom: {
    50: '#92afec',
    500: '#578fe3',
    950: '#000000',
  },
}

SCSS

$custom: #578fe3;
$custom-light: #92afec;
$custom-dark: #000000;

JSON

{
  "hex": "#578fe3",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 227
  },
  "hsl": {
    "h": 216,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64994,
    "c": 0.13958,
    "h": 258.3
  },
  "luminance": 0.27217
}

Semantic roles & 50–950 ramp

primary

#578FE3

secondary

#E5D0B1

accent

#8612D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578FE3

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

Preview Lab → · Contrast checker → · Palette generator →