#578FC9#578FC9

#578FC9 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.106 H 250.6°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#578FC9
RGB	rgb(87, 143, 201)
HSL	hsl(211, 51%, 56%)
HSV	hsv(211, 57%, 79%)
CMYK	cmyk(56.7%, 28.9%, 0%, 21.2%)
CIE-LAB	lab(57.93, -1.35, -35.56)
CIE-LCH	lch(57.93, 35.58, 267.82°)
OKLab	oklab(63.61% -0.0352 -0.1)
OKLCH	oklch(63.61% 0.106 250.6)
XYZ	xyz(24.2918, 25.8861, 58.9634)
Luminance	0.2589 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FC9 #C99157

analogous

#57C8C9 #578FC9 #5857C9

triadic

#578FC9 #C9578F #8FC957

tetradic

#578FC9 #C957C8 #C99157 #57C958

square

#578FC9 #C957C8 #C99157 #57C958

split-complementary

#578FC9 #C95857 #C8C957

monochromatic

#28527D #3770AC #578FC9 #85AED8 #B4CDE7

Accessibility & contrast

On white

3.40

#578FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#578FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FC9

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FC9	#FFFFFF	#000000	##000000
##578FC9	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7791CC

Deuteranopia (green-blind)

#6886C8

Tritanopia (blue-blind)

#009CA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578fc9;
/* rgb */ color: rgb(87, 143, 201);
/* oklch */ color: oklch(63.6% 0.106 250.6);

Tailwind

colors: {
  custom: {
    50: '#8fafd9',
    500: '#578fc9',
    950: '#000000',
  },
}

SCSS

$custom: #578fc9;
$custom-light: #8fafd9;
$custom-dark: #000000;

JSON

{
  "hex": "#578fc9",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 210.526,
    "s": 51.351,
    "l": 56.471
  },
  "oklch": {
    "l": 0.63614,
    "c": 0.10601,
    "h": 250.6
  },
  "luminance": 0.25888
}

Semantic roles & 50–950 ramp

primary

#578FC9

secondary

#D5BEA7

accent

#954DDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #578FC9

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

Preview Lab → · Contrast checker → · Palette generator →