#578AEC#578AEC

#578AEC is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.5% C 0.157 H 262.2°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#578AEC
RGB	rgb(87, 138, 236)
HSL	hsl(219, 80%, 63%)
HSV	hsv(219, 63%, 93%)
CMYK	cmyk(63.1%, 41.5%, 0%, 7.5%)
CIE-LAB	lab(58.28, 13.13, -54.58)
CIE-LCH	lch(58.28, 56.13, 283.53°)
OKLab	oklab(64.46% -0.0214 -0.1555)
OKLCH	oklch(64.46% 0.157 262.2)
XYZ	xyz(28.1540, 26.2567, 82.9250)
Luminance	0.2626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578AEC #ECB957

analogous

#57D4EC #578AEC #6E57EC

triadic

#578AEC #EC578A #8AEC57

tetradic

#578AEC #EC57D4 #ECB957 #57EC6E

square

#578AEC #EC57D4 #ECB957 #57EC6E

split-complementary

#578AEC #EC6E57 #D4EC57

monochromatic

#144BB4 #2064E6 #578AEC #8EB0F2 #C5D7F8

Accessibility & contrast

On white

3.36

#578AEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#578AEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578AEC

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578AEC	#FFFFFF	#000000	##000000
##578AEC	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D94F0

Deuteranopia (green-blind)

#4786EA

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578aec;
/* rgb */ color: rgb(87, 138, 236);
/* oklch */ color: oklch(64.5% 0.157 262.2);

Tailwind

colors: {
  custom: {
    50: '#94abf3',
    500: '#578aec',
    950: '#000000',
  },
}

SCSS

$custom: #578aec;
$custom-light: #94abf3;
$custom-dark: #000000;

JSON

{
  "hex": "#578aec",
  "rgb": {
    "r": 87,
    "g": 138,
    "b": 236
  },
  "hsl": {
    "h": 219.463,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64457,
    "c": 0.15701,
    "h": 262.2
  },
  "luminance": 0.26259
}

Semantic roles & 50–950 ramp

primary

#578AEC

secondary

#EAD8B5

accent

#940ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578AEC

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

Preview Lab → · Contrast checker → · Palette generator →