#578AEB#578AEB

#578AEB is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.4% C 0.156 H 262.0°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#578AEB
RGB	rgb(87, 138, 235)
HSL	hsl(219, 79%, 63%)
HSV	hsv(219, 63%, 92%)
CMYK	cmyk(63%, 41.3%, 0%, 7.8%)
CIE-LAB	lab(58.23, 12.79, -54.11)
CIE-LCH	lch(58.23, 55.60, 283.30°)
OKLab	oklab(64.4% -0.0216 -0.1542)
OKLCH	oklch(64.4% 0.156 262)
XYZ	xyz(28.0091, 26.1988, 82.1620)
Luminance	0.2620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578AEB #EBB857

analogous

#57D4EB #578AEB #6E57EB

triadic

#578AEB #EB578A #8AEB57

tetradic

#578AEB #EB57D4 #EBB857 #57EB6E

square

#578AEB #EB57D4 #EBB857 #57EB6E

split-complementary

#578AEB #EB6E57 #D4EB57

monochromatic

#154BB2 #2064E4 #578AEB #8EB0F2 #C4D6F8

Accessibility & contrast

On white

3.37

#578AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#578AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578AEB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578AEB	#FFFFFF	#000000	##000000
##578AEB	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E93EF

Deuteranopia (green-blind)

#4886E9

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578aeb;
/* rgb */ color: rgb(87, 138, 235);
/* oklch */ color: oklch(64.4% 0.156 262.0);

Tailwind

colors: {
  custom: {
    50: '#93abf2',
    500: '#578aeb',
    950: '#000000',
  },
}

SCSS

$custom: #578aeb;
$custom-light: #93abf2;
$custom-dark: #000000;

JSON

{
  "hex": "#578aeb",
  "rgb": {
    "r": 87,
    "g": 138,
    "b": 235
  },
  "hsl": {
    "h": 219.324,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64397,
    "c": 0.15567,
    "h": 262
  },
  "luminance": 0.26201
}

Semantic roles & 50–950 ramp

primary

#578AEB

secondary

#E9D7B4

accent

#930ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578AEB

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

Preview Lab → · Contrast checker → · Palette generator →