#587AB5#587AB5

#587AB5 is a mid, moderate blue. Relative luminance 0.193; OKLCH L 58.0% C 0.099 H 260.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#587AB5
RGBrgb(88, 122, 181)
HSLhsl(218, 39%, 53%)
HSVhsv(218, 51%, 71%)
CMYKcmyk(51.4%, 32.6%, 0%, 29%)
CIE-LABlab(51.07, 4.90, -34.89)
CIE-LCHlch(51.07, 35.23, 278.00°)
OKLaboklab(57.96% -0.0156 -0.0982)
OKLCHoklch(57.96% 0.099 260.9)
XYZxyz(19.3217, 19.3286, 46.4197)
Luminance0.1933 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#587AB5 #B59358
analogous
#58A8B5 #587AB5 #6558B5
triadic
#587AB5 #B5587A #7AB558
tetradic
#587AB5 #B558A8 #B59358 #58B565
square
#587AB5 #B558A8 #B59358 #58B565
split-complementary
#587AB5 #B56558 #A8B558
monochromatic
#2D4266 #405D90 #587AB5 #829CC8 #ADBEDB

Accessibility & contrast

On white

4.32
#587AB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.87
#587AB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AB5
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##587AB5#FFFFFF#000000##000000
##587AB51.004.324.874.87
#FFFFFF4.321.0021.0021.00
#0000004.8721.001.001.00
##0000004.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#637EB7
Deuteranopia (green-blind)
#5876B4
Tritanopia (blue-blind)
#2C878F
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #587ab5;
/* rgb */ color: rgb(88, 122, 181);
/* oklch */ color: oklch(58.0% 0.099 260.9);
Tailwind
colors: {
  custom: {
    50: '#8da0cb',
    500: '#587ab5',
    950: '#000000',
  },
}
SCSS
$custom: #587ab5;
$custom-light: #8da0cb;
$custom-dark: #000000;
JSON
{
  "hex": "#587ab5",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 181
  },
  "hsl": {
    "h": 218.065,
    "s": 38.589,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57958,
    "c": 0.09941,
    "h": 260.9
  },
  "luminance": 0.1933
}

Semantic roles & 50–950 ramp

primary
#587AB5
secondary
#C9BAA0
accent
#A459CF
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0D0E13
muted
#7D7E82

Preview Lab

Preview with #587AB5

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

Preview Lab → · Contrast checker → · Palette generator →

#587AB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva