#578ECB#578ECB

#578ECB is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.109 H 252.2°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#578ECB
RGB	rgb(87, 142, 203)
HSL	hsl(212, 53%, 57%)
HSV	hsv(212, 57%, 80%)
CMYK	cmyk(57.1%, 30%, 0%, 20.4%)
CIE-LAB	lab(57.73, -0.13, -36.99)
CIE-LCH	lch(57.73, 36.99, 269.79°)
OKLab	oklab(63.49% -0.0335 -0.1041)
OKLCH	oklch(63.49% 0.109 252.2)
XYZ	xyz(24.3791, 25.6819, 60.1607)
Luminance	0.2568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578ECB #CB9457

analogous

#57C8CB #578ECB #5A57CB

triadic

#578ECB #CB578E #8ECB57

tetradic

#578ECB #CB57C8 #CB9457 #57CB5A

square

#578ECB #CB57C8 #CB9457 #57CB5A

split-complementary

#578ECB #CB5A57 #C8CB57

monochromatic

#285280 #366FAF #578ECB #86ADD9 #B4CDE8

Accessibility & contrast

On white

3.42

#578ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#578ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578ECB

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578ECB	#FFFFFF	#000000	##000000
##578ECB	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578ecb;
/* rgb */ color: rgb(87, 142, 203);
/* oklch */ color: oklch(63.5% 0.109 252.2);

Tailwind

colors: {
  custom: {
    50: '#8faedb',
    500: '#578ecb',
    950: '#000000',
  },
}

SCSS

$custom: #578ecb;
$custom-light: #8faedb;
$custom-dark: #000000;

JSON

{
  "hex": "#578ecb",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 203
  },
  "hsl": {
    "h": 211.552,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63491,
    "c": 0.10941,
    "h": 252.2
  },
  "luminance": 0.25684
}

Semantic roles & 50–950 ramp

primary

#578ECB

secondary

#D7C0A7

accent

#984CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #578ECB

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

Preview Lab → · Contrast checker → · Palette generator →