#578CD9#578CD9

#578CD9 is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.8% C 0.130 H 257.7°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#578CD9
RGB	rgb(87, 140, 217)
HSL	hsl(216, 63%, 60%)
HSV	hsv(216, 60%, 85%)
CMYK	cmyk(59.9%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(57.84, 5.60, -44.69)
CIE-LCH	lch(57.84, 45.04, 277.14°)
OKLab	oklab(63.79% -0.0276 -0.1266)
OKLCH	oklch(63.79% 0.13 257.7)
XYZ	xyz(25.8285, 25.7899, 69.2490)
Luminance	0.2579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CD9 #D9A457

analogous

#57CDD9 #578CD9 #6357D9

triadic

#578CD9 #D9578C #8CD957

tetradic

#578CD9 #D957CD #D9A457 #57D963

square

#578CD9 #D957CD #D9A457 #57D963

split-complementary

#578CD9 #D96357 #CDD957

monochromatic

#215094 #2D6BC6 #578CD9 #89AEE4 #BBD0F0

Accessibility & contrast

On white

3.41

#578CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#578CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CD9

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CD9	#FFFFFF	#000000	##000000
##578CD9	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B92DC

Deuteranopia (green-blind)

#5A85D7

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578cd9;
/* rgb */ color: rgb(87, 140, 217);
/* oklch */ color: oklch(63.8% 0.130 257.7);

Tailwind

colors: {
  custom: {
    50: '#91ade5',
    500: '#578cd9',
    950: '#000000',
  },
}

SCSS

$custom: #578cd9;
$custom-light: #91ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#578cd9",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 215.538,
    "s": 63.107,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63791,
    "c": 0.12955,
    "h": 257.7
  },
  "luminance": 0.25792
}

Semantic roles & 50–950 ramp

primary

#578CD9

secondary

#DFCBAD

accent

#A342E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578CD9

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

Preview Lab → · Contrast checker → · Palette generator →