#578BBF#578BBF

#578BBF is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.097 H 249.6°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#578BBF
RGB	rgb(87, 139, 191)
HSL	hsl(210, 45%, 55%)
HSV	hsv(210, 54%, 75%)
CMYK	cmyk(54.5%, 27.2%, 0%, 25.1%)
CIE-LAB	lab(56.34, -2.21, -32.38)
CIE-LCH	lch(56.34, 32.45, 266.10°)
OKLab	oklab(62.22% -0.0337 -0.0908)
OKLCH	oklch(62.22% 0.097 249.6)
XYZ	xyz(22.5637, 24.2512, 52.7720)
Luminance	0.2425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BBF #BF8B57

analogous

#57BFBF #578BBF #5757BF

triadic

#578BBF #BF578B #8BBF57

tetradic

#578BBF #BF57BF #BF8B57 #57BF57

square

#578BBF #BF57BF #BF8B57 #57BF57

split-complementary

#578BBF #BF5757 #BFBF57

monochromatic

#2B4E71 #3C6C9D #578BBF #83AAD0 #B0C8E1

Accessibility & contrast

On white

3.59

#578BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#578BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BBF

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BBF	#FFFFFF	#000000	##000000
##578BBF	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768DC1

Deuteranopia (green-blind)

#6882BE

Tritanopia (blue-blind)

#13979D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #578bbf;
/* rgb */ color: rgb(87, 139, 191);
/* oklch */ color: oklch(62.2% 0.097 249.6);

Tailwind

colors: {
  custom: {
    50: '#8dacd2',
    500: '#578bbf',
    950: '#000000',
  },
}

SCSS

$custom: #578bbf;
$custom-light: #8dacd2;
$custom-dark: #000000;

JSON

{
  "hex": "#578bbf",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 210,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62219,
    "c": 0.09689,
    "h": 249.6
  },
  "luminance": 0.24253
}

Semantic roles & 50–950 ramp

primary

#578BBF

secondary

#CFB9A3

accent

#9453D5

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #578BBF

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

Preview Lab → · Contrast checker → · Palette generator →