#587DDB#587DDB

#587DDB is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.149 H 266.0°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#587DDB
RGBrgb(88, 125, 219)
HSLhsl(223, 65%, 60%)
HSVhsv(223, 60%, 86%)
CMYKcmyk(59.8%, 42.9%, 0%, 14.1%)
CIE-LABlab(53.87, 15.47, -52.10)
CIE-LCHlch(53.87, 54.35, 286.54°)
OKLaboklab(60.77% -0.0105 -0.1484)
OKLCHoklch(60.77% 0.149 266)
XYZxyz(24.1399, 21.8544, 69.9503)
Luminance0.2186 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#587DDB #DBB658
analogous
#58BFDB #587DDB #7458DB
triadic
#587DDB #DB587D #7DDB58
tetradic
#587DDB #DB58BF #DBB658 #58DB74
square
#587DDB #DB58BF #DBB658 #58DB74
split-complementary
#587DDB #DB7458 #BFDB58
monochromatic
#214298 #2C58CA #587DDB #8AA4E6 #BDCBF1

Accessibility & contrast

On white

3.91
#587DDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#587DDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DDB
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##587DDB#FFFFFF#000000##000000
##587DDB1.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5387DF
Deuteranopia (green-blind)
#407BD9
Tritanopia (blue-blind)
#0092A1
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #587ddb;
/* rgb */ color: rgb(88, 125, 219);
/* oklch */ color: oklch(60.8% 0.149 266.0);
Tailwind
colors: {
  custom: {
    50: '#92a2e7',
    500: '#587ddb',
    950: '#000000',
  },
}
SCSS
$custom: #587ddb;
$custom-light: #92a2e7;
$custom-dark: #000000;
JSON
{
  "hex": "#587ddb",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 223.053,
    "s": 64.532,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6077,
    "c": 0.14881,
    "h": 266
  },
  "luminance": 0.21856
}

Semantic roles & 50–950 ramp

primary
#587DDB
secondary
#E1D2AE
accent
#9A19CC
background
#F9F9FE
surface
#F2F2FC
border
#CCCCD5
text
#0E0F16
muted
#7E7E84

Preview Lab

Preview with #587DDB

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

Preview Lab → · Contrast checker → · Palette generator →

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