#578FCB#578FCB

#578FCB is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.7% C 0.109 H 251.4°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#578FCB
RGB	rgb(87, 143, 203)
HSL	hsl(211, 53%, 57%)
HSV	hsv(211, 57%, 80%)
CMYK	cmyk(57.1%, 29.6%, 0%, 20.4%)
CIE-LAB	lab(58.02, -0.71, -36.54)
CIE-LCH	lch(58.02, 36.55, 268.88°)
OKLab	oklab(63.72% -0.0346 -0.1028)
OKLCH	oklch(63.72% 0.109 251.4)
XYZ	xyz(24.5286, 25.9808, 60.2105)
Luminance	0.2598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FCB #CB9357

analogous

#57C9CB #578FCB #5957CB

triadic

#578FCB #CB578F #8FCB57

tetradic

#578FCB #CB57C9 #CB9357 #57CB59

square

#578FCB #CB57C9 #CB9357 #57CB59

split-complementary

#578FCB #CB5957 #C9CB57

monochromatic

#285280 #3670AF #578FCB #86AED9 #B4CDE8

Accessibility & contrast

On white

3.39

#578FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#578FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FCB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FCB	#FFFFFF	#000000	##000000
##578FCB	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CE

Deuteranopia (green-blind)

#6786CA

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578fcb;
/* rgb */ color: rgb(87, 143, 203);
/* oklch */ color: oklch(63.7% 0.109 251.4);

Tailwind

colors: {
  custom: {
    50: '#8fafdb',
    500: '#578fcb',
    950: '#000000',
  },
}

SCSS

$custom: #578fcb;
$custom-light: #8fafdb;
$custom-dark: #000000;

JSON

{
  "hex": "#578fcb",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 203
  },
  "hsl": {
    "h": 211.034,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63715,
    "c": 0.10852,
    "h": 251.4
  },
  "luminance": 0.25983
}

Semantic roles & 50–950 ramp

primary

#578FCB

secondary

#D7C0A7

accent

#964CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #578FCB

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

Preview Lab → · Contrast checker → · Palette generator →