#587BB6#587BB6

#587BB6 is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.2% C 0.100 H 260.4°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#587BB6
RGBrgb(88, 123, 182)
HSLhsl(218, 39%, 53%)
HSVhsv(218, 52%, 71%)
CMYKcmyk(51.6%, 32.4%, 0%, 28.6%)
CIE-LABlab(51.40, 4.62, -34.95)
CIE-LCHlch(51.40, 35.25, 277.53°)
OKLaboklab(58.23% -0.0166 -0.0983)
OKLCHoklch(58.23% 0.1 260.4)
XYZxyz(19.5481, 19.6166, 47.0032)
Luminance0.1962 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#587BB6 #B69358
analogous
#58AAB6 #587BB6 #6458B6
triadic
#587BB6 #B6587B #7BB658
tetradic
#587BB6 #B658AA #B69358 #58B664
square
#587BB6 #B658AA #B69358 #58B664
split-complementary
#587BB6 #B66458 #AAB658
monochromatic
#2D4267 #405E91 #587BB6 #839DC9 #ADBEDB

Accessibility & contrast

On white

4.27
#587BB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#587BB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BB6
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##587BB6#FFFFFF#000000##000000
##587BB61.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#647FB8
Deuteranopia (green-blind)
#5976B5
Tritanopia (blue-blind)
#2B8890
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #587bb6;
/* rgb */ color: rgb(88, 123, 182);
/* oklch */ color: oklch(58.2% 0.100 260.4);
Tailwind
colors: {
  custom: {
    50: '#8da0cc',
    500: '#587bb6',
    950: '#000000',
  },
}
SCSS
$custom: #587bb6;
$custom-light: #8da0cc;
$custom-dark: #000000;
JSON
{
  "hex": "#587bb6",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 182
  },
  "hsl": {
    "h": 217.66,
    "s": 39.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58232,
    "c": 0.09972,
    "h": 260.4
  },
  "luminance": 0.19618
}

Semantic roles & 50–950 ramp

primary
#587BB6
secondary
#C9BAA1
accent
#A359CF
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0D0E13
muted
#7D7E82

Preview Lab

Preview with #587BB6

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

Preview Lab → · Contrast checker → · Palette generator →

#587BB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva