#578EED#578EED

#578EED is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.4% C 0.154 H 260.6°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#578EED
RGB	rgb(87, 142, 237)
HSL	hsl(218, 81%, 64%)
HSV	hsv(218, 63%, 93%)
CMYK	cmyk(63.3%, 40.1%, 0%, 7.1%)
CIE-LAB	lab(59.42, 11.07, -53.31)
CIE-LCH	lch(59.42, 54.45, 281.73°)
OKLab	oklab(65.36% -0.0251 -0.1518)
OKLCH	oklch(65.36% 0.154 260.6)
XYZ	xyz(28.8841, 27.4839, 83.8871)
Luminance	0.2749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EED #EDB657

analogous

#57D9ED #578EED #6B57ED

triadic

#578EED #ED578E #8EED57

tetradic

#578EED #ED57D9 #EDB657 #57ED6B

square

#578EED #ED57D9 #EDB657 #57ED6B

split-complementary

#578EED #ED6B57 #D9ED57

monochromatic

#144FB6 #2069E7 #578EED #8EB3F3 #C6D8F9

Accessibility & contrast

On white

3.23

#578EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#578EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EED

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EED	#FFFFFF	#000000	##000000
##578EED	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F1

Deuteranopia (green-blind)

#4D89EB

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578eed;
/* rgb */ color: rgb(87, 142, 237);
/* oklch */ color: oklch(65.4% 0.154 260.6);

Tailwind

colors: {
  custom: {
    50: '#94aef3',
    500: '#578eed',
    950: '#000000',
  },
}

SCSS

$custom: #578eed;
$custom-light: #94aef3;
$custom-dark: #000000;

JSON

{
  "hex": "#578eed",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 237
  },
  "hsl": {
    "h": 218,
    "s": 80.645,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65356,
    "c": 0.15385,
    "h": 260.6
  },
  "luminance": 0.27487
}

Semantic roles & 50–950 ramp

primary

#578EED

secondary

#EAD7B5

accent

#8F09DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578EED

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

Preview Lab → · Contrast checker → · Palette generator →