#578EE3#578EE3

#578EE3 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.8% C 0.141 H 258.8°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#578EE3
RGB	rgb(87, 142, 227)
HSL	hsl(216, 71%, 62%)
HSV	hsv(216, 62%, 89%)
CMYK	cmyk(61.7%, 37.4%, 0%, 11%)
CIE-LAB	lab(58.90, 7.73, -48.60)
CIE-LCH	lch(58.90, 49.21, 279.03°)
OKLab	oklab(64.78% -0.0273 -0.138)
OKLCH	oklch(64.78% 0.141 258.8)
XYZ	xyz(27.4637, 26.9158, 76.4061)
Luminance	0.2692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EE3 #E3AC57

analogous

#57D4E3 #578EE3 #6657E3

triadic

#578EE3 #E3578E #8EE357

tetradic

#578EE3 #E357D4 #E3AC57 #57E366

square

#578EE3 #E357D4 #E3AC57 #57E366

split-complementary

#578EE3 #E36657 #D4E357

monochromatic

#1B51A4 #246BD9 #578EE3 #8BB1EC #C0D5F4

Accessibility & contrast

On white

3.29

#578EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#578EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EE3

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EE3	#FFFFFF	#000000	##000000
##578EE3	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6995E6

Deuteranopia (green-blind)

#5688E1

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578ee3;
/* rgb */ color: rgb(87, 142, 227);
/* oklch */ color: oklch(64.8% 0.141 258.8);

Tailwind

colors: {
  custom: {
    50: '#92aeec',
    500: '#578ee3',
    950: '#000000',
  },
}

SCSS

$custom: #578ee3;
$custom-light: #92aeec;
$custom-dark: #000000;

JSON

{
  "hex": "#578ee3",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 227
  },
  "hsl": {
    "h": 216.429,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64779,
    "c": 0.14064,
    "h": 258.8
  },
  "luminance": 0.26918
}

Semantic roles & 50–950 ramp

primary

#578EE3

secondary

#E5D0B1

accent

#8712D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578EE3

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

Preview Lab → · Contrast checker → · Palette generator →