#578BBD#578BBD

#578BBD is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.094 H 248.7°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#578BBD
RGBrgb(87, 139, 189)
HSLhsl(209, 44%, 54%)
HSVhsv(209, 54%, 74%)
CMYKcmyk(54%, 26.5%, 0%, 25.9%)
CIE-LABlab(56.25, -2.84, -31.38)
CIE-LCHlch(56.25, 31.51, 264.83°)
OKLaboklab(62.12% -0.0344 -0.0879)
OKLCHoklch(62.12% 0.094 248.7)
XYZxyz(22.3451, 24.1638, 51.6208)
Luminance0.2417 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#578BBD #BD8957
analogous
#57BDBC #578BBD #5758BD
triadic
#578BBD #BD578B #8BBD57
tetradic
#578BBD #BC57BD #BD8957 #58BD57
square
#578BBD #BC57BD #BD8957 #58BD57
split-complementary
#578BBD #BD5758 #BDBC57
monochromatic
#2B4D6E #3D6C9A #578BBD #83A9CE #AFC8E0

Accessibility & contrast

On white

3.60
#578BBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.83
#578BBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BBD
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##578BBD#FFFFFF#000000##000000
##578BBD1.003.605.835.83
#FFFFFF3.601.0021.0021.00
#0000005.8321.001.001.00
##0000005.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#768DBF
Deuteranopia (green-blind)
#6982BC
Tritanopia (blue-blind)
#18979C
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #578bbd;
/* rgb */ color: rgb(87, 139, 189);
/* oklch */ color: oklch(62.1% 0.094 248.7);
Tailwind
colors: {
  custom: {
    50: '#8dacd1',
    500: '#578bbd',
    950: '#000000',
  },
}
SCSS
$custom: #578bbd;
$custom-light: #8dacd1;
$custom-dark: #000000;
JSON
{
  "hex": "#578bbd",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 209.412,
    "s": 43.59,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62122,
    "c": 0.09442,
    "h": 248.7
  },
  "luminance": 0.24166
}

Semantic roles & 50–950 ramp

primary
#578BBD
secondary
#CEB7A2
accent
#9354D3
background
#F9FAFC
surface
#F1F4F9
border
#CBCED2
text
#0D1014
muted
#7E7F82

Preview Lab

Preview with #578BBD

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

Preview Lab → · Contrast checker → · Palette generator →

#578BBD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva